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2220325401 = 372314933079
BaseRepresentation
bin1000010001010111…
…0111101000011001
312201201221012212010
42010111313220121
514021400403101
61004153140133
7106010311620
oct20425675031
95651835763
102220325401
11a3a352378
1251b6ba649
13294cc9c18
14170c4c6b7
15cedd42d6
hex84577a19

2220325401 has 32 divisors (see below), whose sum is σ = 3533967360. Its totient is φ = 1212387264.

The previous prime is 2220325333. The next prime is 2220325403. The reversal of 2220325401 is 1045230222.

It is not a de Polignac number, because 2220325401 - 211 = 2220323353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2220325403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 719580 + ... + 722658.

It is an arithmetic number, because the mean of its divisors is an integer number (110436480).

Almost surely, 22220325401 is an apocalyptic number.

2220325401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2220325401 is a deficient number, since it is larger than the sum of its proper divisors (1313641959).

2220325401 is a wasteful number, since it uses less digits than its factorization.

2220325401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2220325401 is about 47120.3289568314. The cubic root of 2220325401 is about 1304.5844844976.

Adding to 2220325401 its reverse (1045230222), we get a palindrome (3265555623).

The spelling of 2220325401 in words is "two billion, two hundred twenty million, three hundred twenty-five thousand, four hundred one".

Divisors: 1 3 7 21 23 69 161 483 1493 3079 4479 9237 10451 21553 31353 34339 64659 70817 103017 212451 240373 495719 721119 1487157 4596947 13790841 32178629 96535887 105729781 317189343 740108467 2220325401