22010538501 has 24 divisors (see below), whose sum is σ = 37506952704. Its totient is φ = 12171725280.

The previous prime is 22010538499. The next prime is 22010538521. The reversal of 22010538501 is 10583501022.

It is a happy number.

22010538501 is a `hidden beast` number, since 2 + 20 + 105 + 38 + 501 = 666.

It is not a de Polignac number, because 22010538501 - 2¹ = 22010538499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010538521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5633106 + ... + 5637011.

It is an arithmetic number, because the mean of its divisors is an integer number (1562789696).

Almost surely, 2^22010538501 is an apocalyptic number.

22010538501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22010538501 is a deficient number, since it is larger than the sum of its proper divisors (15496414203).

22010538501 is a wasteful number, since it uses less digits than its factorization.

22010538501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11270161 (or 11270158 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 22010538501 in words is "twenty-two billion, ten million, five hundred thirty-eight thousand, five hundred one".