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22023333231 = 3313274933
BaseRepresentation
bin10100100000101100…
…010110010101101111
32002211211210020122120
4110200230112111233
5330100433130411
614041204244023
71406521146414
oct244054262557
962754706576
1022023333231
119381663249
1243276a0613
1320cc931633
1410cccd610b
1588d6dc106
hex520b1656f

22023333231 has 12 divisors (see below), whose sum is σ = 29458953288. Its totient is φ = 14635118784.

The previous prime is 22023333191. The next prime is 22023333259. The reversal of 22023333231 is 13233332022.

It is not a de Polignac number, because 22023333231 - 210 = 22023332207 is a prime.

It is a super-2 number, since 2×220233332312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023333331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256441 + ... + 331373.

It is an arithmetic number, because the mean of its divisors is an integer number (2454912774).

Almost surely, 222023333231 is an apocalyptic number.

22023333231 is a deficient number, since it is larger than the sum of its proper divisors (7435620057).

22023333231 is an frugal number, since it uses more digits than its factorization.

22023333231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75562 (or 75249 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 22023333231 its reverse (13233332022), we get a palindrome (35256665253).

The spelling of 22023333231 in words is "twenty-two billion, twenty-three million, three hundred thirty-three thousand, two hundred thirty-one".

Divisors: 1 3 313 939 74933 97969 224799 293907 23454029 70362087 7341111077 22023333231