22311005045 has 16 divisors (see below), whose sum is σ = 31248972288. Its totient is φ = 14973463680.

The previous prime is 22311005023. The next prime is 22311005051. The reversal of 22311005045 is 54050011322.

It is not a de Polignac number, because 22311005045 - 2¹⁰ = 22311004021 is a prime.

It is a super-3 number, since 3×22311005045³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22311005045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6779816 + ... + 6783105.

It is an arithmetic number, because the mean of its divisors is an integer number (1953060768).

Almost surely, 2^22311005045 is an apocalyptic number.

It is an amenable number.

22311005045 is a deficient number, since it is larger than the sum of its proper divisors (8937967243).

22311005045 is a wasteful number, since it uses less digits than its factorization.

22311005045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13562980.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 22311005045 its reverse (54050011322), we get a palindrome (76361016367).

The spelling of 22311005045 in words is "twenty-two billion, three hundred eleven million, five thousand, forty-five".