22219685952 has 56 divisors (see below), whose sum is σ = 58820096736. Its totient is φ = 7402718208.

The previous prime is 22219685911. The next prime is 22219685959. The reversal of 22219685952 is 25958691222.

It is a happy number.

It is a super-2 number, since 2×22219685952² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22219685895 and 22219685904.

It is not an unprimeable number, because it can be changed into a prime (22219685959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353623 + ... + 411689.

Almost surely, 2^22219685952 is an apocalyptic number.

It is an amenable number.

22219685952 is an abundant number, since it is smaller than the sum of its proper divisors (36600410784).

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

22219685952 is a wasteful number, since it uses less digits than its factorization.

22219685952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60075 (or 60065 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The spelling of 22219685952 in words is "twenty-two billion, two hundred nineteen million, six hundred eighty-five thousand, nine hundred fifty-two".