22520152031 has 4 divisors (see below), whose sum is σ = 24252471432. Its totient is φ = 20787832632.

The previous prime is 22520151961. The next prime is 22520152033. The reversal of 22520152031 is 13025102522.

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

It is a cyclic number.

It is not a de Polignac number, because 22520152031 - 2²⁶ = 22453043167 is a prime.

It is a super-2 number, since 2×22520152031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22520151988 and 22520152006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520152033) 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, 866159681 + ... + 866159706.

It is an arithmetic number, because the mean of its divisors is an integer number (6063117858).

Almost surely, 2^22520152031 is an apocalyptic number.

22520152031 is a deficient number, since it is larger than the sum of its proper divisors (1732319401).

22520152031 is a wasteful number, since it uses less digits than its factorization.

22520152031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732319400.

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

Adding to 22520152031 its reverse (13025102522), we get a palindrome (35545254553).

The spelling of 22520152031 in words is "twenty-two billion, five hundred twenty million, one hundred fifty-two thousand, thirty-one".