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2221110023 = 11238779091
BaseRepresentation
bin1000010001100011…
…0111001100000111
312201210102002011012
42010120313030013
514022101010043
61004222032435
7106020060266
oct20430671407
95653362135
102221110023
11a3a838920
1251ba1871b
132952130b2
14170db45dd
15ceedba18
hex84637307

2221110023 has 8 divisors (see below), whose sum is σ = 2528378496. Its totient is φ = 1931399800.

The previous prime is 2221110019. The next prime is 2221110049. The reversal of 2221110023 is 3200111222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221110023 - 22 = 2221110019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221110323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4389293 + ... + 4389798.

It is an arithmetic number, because the mean of its divisors is an integer number (316047312).

Almost surely, 22221110023 is an apocalyptic number.

2221110023 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2221110023 is a deficient number, since it is larger than the sum of its proper divisors (307268473).

2221110023 is a wasteful number, since it uses less digits than its factorization.

2221110023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8779125.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2221110023 is about 47128.6539485269. The cubic root of 2221110023 is about 1304.7381384224.

Adding to 2221110023 its reverse (3200111222), we get a palindrome (5421221245).

The spelling of 2221110023 in words is "two billion, two hundred twenty-one million, one hundred ten thousand, twenty-three".

Divisors: 1 11 23 253 8779091 96570001 201919093 2221110023