22340525531 has 4 divisors (see below), whose sum is σ = 23311852752. Its totient is φ = 21369198312.

The previous prime is 22340525513. The next prime is 22340525569. The reversal of 22340525531 is 13552504322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22340525531 is a prime.

It is a super-2 number, since 2×22340525531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22340521531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485663576 + ... + 485663621.

It is an arithmetic number, because the mean of its divisors is an integer number (5827963188).

Almost surely, 2^22340525531 is an apocalyptic number.

22340525531 is a deficient number, since it is larger than the sum of its proper divisors (971327221).

22340525531 is an equidigital number, since it uses as much as digits as its factorization.

22340525531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971327220.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 22340525531 in words is "twenty-two billion, three hundred forty million, five hundred twenty-five thousand, five hundred thirty-one".