22211154552 has 16 divisors (see below), whose sum is σ = 55527886440. Its totient is φ = 7403718176.

The previous prime is 22211154509. The next prime is 22211154569. The reversal of 22211154552 is 25545111222.

It is a super-3 number, since 3×22211154552³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462732363 + ... + 462732410.

Almost surely, 2^22211154552 is an apocalyptic number.

It is an amenable number.

22211154552 is an abundant number, since it is smaller than the sum of its proper divisors (33316731888).

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

22211154552 is a wasteful number, since it uses less digits than its factorization.

22211154552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925464782 (or 925464778 counting only the distinct ones).

The product of its digits is 8000, while the sum is 30.

Adding to 22211154552 its reverse (25545111222), we get a palindrome (47756265774).

The spelling of 22211154552 in words is "twenty-two billion, two hundred eleven million, one hundred fifty-four thousand, five hundred fifty-two".