22155250533 has 12 divisors (see below), whose sum is σ = 31987463040. Its totient is φ = 13634000016.

The previous prime is 22155250501. The next prime is 22155250541. The reversal of 22155250533 is 33505255122.

It is not a de Polignac number, because 22155250533 - 2⁵ = 22155250501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22155250494 and 22155250503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22155250573) 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, 21848853 + ... + 21849866.

It is an arithmetic number, because the mean of its divisors is an integer number (2665621920).

Almost surely, 2^22155250533 is an apocalyptic number.

It is an amenable number.

22155250533 is a deficient number, since it is larger than the sum of its proper divisors (9832212507).

22155250533 is a wasteful number, since it uses less digits than its factorization.

22155250533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43698748 (or 43698735 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 22155250533 in words is "twenty-two billion, one hundred fifty-five million, two hundred fifty thousand, five hundred thirty-three".