22522012515231 has 16 divisors (see below), whose sum is σ = 31619050045440. Its totient is φ = 14220285393600.

The previous prime is 22522012515227. The next prime is 22522012515253. The reversal of 22522012515231 is 13251521022522.

It is not a de Polignac number, because 22522012515231 - 2² = 22522012515227 is a prime.

It is a super-3 number, since 3×22522012515231³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22522012515192 and 22522012515201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22522012515031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57352095 + ... + 57743456.

It is an arithmetic number, because the mean of its divisors is an integer number (1976190627840).

Almost surely, 2^{22522012515231} is an apocalyptic number.

22522012515231 is a deficient number, since it is larger than the sum of its proper divisors (9097037530209).

22522012515231 is a wasteful number, since it uses less digits than its factorization.

22522012515231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115099006.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 22522012515231 its reverse (13251521022522), we get a palindrome (35773533537753).

The spelling of 22522012515231 in words is "twenty-two trillion, five hundred twenty-two billion, twelve million, five hundred fifteen thousand, two hundred thirty-one".