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2232220401 = 32248024489
BaseRepresentation
bin1000010100001100…
…1111101011110001
312202120022112201200
42011003033223301
514032422023101
61005300121413
7106213363125
oct20503175361
95676275650
102232220401
11a46037254
12523696269
13297603198
14172667585
15d0e83986
hex850cfaf1

2232220401 has 6 divisors (see below), whose sum is σ = 3224318370. Its totient is φ = 1488146928.

The previous prime is 2232220391. The next prime is 2232220409. The reversal of 2232220401 is 1040222322.

2232220401 is a `hidden beast` number, since 223 + 22 + 20 + 401 = 666.

2232220401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1662682176 + 569538225 = 40776^2 + 23865^2 .

It is not a de Polignac number, because 2232220401 - 29 = 2232219889 is a prime.

It is a super-3 number, since 3×22322204013 (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2232220409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124012236 + ... + 124012253.

It is an arithmetic number, because the mean of its divisors is an integer number (537386395).

Almost surely, 22232220401 is an apocalyptic number.

It is an amenable number.

2232220401 is a deficient number, since it is larger than the sum of its proper divisors (992097969).

2232220401 is a wasteful number, since it uses less digits than its factorization.

2232220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248024495 (or 248024492 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2232220401 is about 47246.3797660731. The cubic root of 2232220401 is about 1306.9100299511.

Adding to 2232220401 its reverse (1040222322), we get a palindrome (3272442723).

The spelling of 2232220401 in words is "two billion, two hundred thirty-two million, two hundred twenty thousand, four hundred one".

Divisors: 1 3 9 248024489 744073467 2232220401