22226665916 has 48 divisors (see below), whose sum is σ = 47898357696. Its totient is φ = 8788276224.

The previous prime is 22226665907. The next prime is 22226665957. The reversal of 22226665916 is 61956662222.

It is a super-2 number, since 2×22226665916² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711620 + ... + 742196.

It is an arithmetic number, because the mean of its divisors is an integer number (997882452).

Almost surely, 2^22226665916 is an apocalyptic number.

22226665916 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22226665916 is an abundant number, since it is smaller than the sum of its proper divisors (25671691780).

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

22226665916 is a wasteful number, since it uses less digits than its factorization.

22226665916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32598 (or 32596 counting only the distinct ones).

The product of its digits is 933120, while the sum is 47.

The spelling of 22226665916 in words is "twenty-two billion, two hundred twenty-six million, six hundred sixty-five thousand, nine hundred sixteen".