22315263442530 has 32 divisors (see below), whose sum is σ = 53562779639424. Its totient is φ = 5950053876096.

The previous prime is 22315263442471. The next prime is 22315263442601. The reversal of 22315263442530 is 3524436251322.

It is a super-3 number, since 3×22315263442530³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 42424374 + ... + 42947153.

It is an arithmetic number, because the mean of its divisors is an integer number (1673836863732).

Almost surely, 2^{22315263442530} is an apocalyptic number.

22315263442530 is an abundant number, since it is smaller than the sum of its proper divisors (31247516196894).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22315263442530 is a wasteful number, since it uses less digits than its factorization.

22315263442530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85380250.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 22315263442530 its reverse (3524436251322), we get a palindrome (25839699693852).

The spelling of 22315263442530 in words is "twenty-two trillion, three hundred fifteen billion, two hundred sixty-three million, four hundred forty-two thousand, five hundred thirty".