22038620591 has 12 divisors (see below), whose sum is σ = 23905770192. Its totient is φ = 20307995136.

The previous prime is 22038620579. The next prime is 22038620603. The reversal of 22038620591 is 19502683022.

It is an interprime number because it is at equal distance from previous prime (22038620579) and next prime (22038620603).

It is not a de Polignac number, because 22038620591 - 2¹⁴ = 22038604207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22038620501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15491 + ... + 210516.

It is an arithmetic number, because the mean of its divisors is an integer number (1992147516).

Almost surely, 2^22038620591 is an apocalyptic number.

22038620591 is a deficient number, since it is larger than the sum of its proper divisors (1867149601).

22038620591 is a wasteful number, since it uses less digits than its factorization.

22038620591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226610 (or 226597 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 22038620591 in words is "twenty-two billion, thirty-eight million, six hundred twenty thousand, five hundred ninety-one".