22222815553 has 4 divisors (see below), whose sum is σ = 22223119360. Its totient is φ = 22222511748.

The previous prime is 22222815529. The next prime is 22222815607. The reversal of 22222815553 is 35551822222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22222815553 - 2²⁵ = 22189261121 is a prime.

It is a super-2 number, since 2×22222815553² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222875553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32176 + ... + 213262.

It is an arithmetic number, because the mean of its divisors is an integer number (5555779840).

Almost surely, 2^22222815553 is an apocalyptic number.

It is an amenable number.

22222815553 is a deficient number, since it is larger than the sum of its proper divisors (303807).

22222815553 is a wasteful number, since it uses less digits than its factorization.

22222815553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303806.

The product of its digits is 96000, while the sum is 37.

The spelling of 22222815553 in words is "twenty-two billion, two hundred twenty-two million, eight hundred fifteen thousand, five hundred fifty-three".