22026293538 has 32 divisors (see below), whose sum is σ = 45482549760. Its totient is φ = 7103863680.

The previous prime is 22026293503. The next prime is 22026293539. The reversal of 22026293538 is 83539262022.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22026293538.

It is not an unprimeable number, because it can be changed into a prime (22026293539) 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, 1401508 + ... + 1417136.

It is an arithmetic number, because the mean of its divisors is an integer number (1421329680).

Almost surely, 2^22026293538 is an apocalyptic number.

22026293538 is an abundant number, since it is smaller than the sum of its proper divisors (23456256222).

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

22026293538 is a wasteful number, since it uses less digits than its factorization.

22026293538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23242.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 22026293538 in words is "twenty-two billion, twenty-six million, two hundred ninety-three thousand, five hundred thirty-eight".