22220540304 has 40 divisors (see below), whose sum is σ = 59898850752. Its totient is φ = 7084809600.

The previous prime is 22220540297. The next prime is 22220540351. The reversal of 22220540304 is 40304502222.

It is a happy number.

It is a super-2 number, since 2×22220540304² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10062547 + ... + 10064754.

Almost surely, 2^22220540304 is an apocalyptic number.

22220540304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22220540304 is an abundant number, since it is smaller than the sum of its proper divisors (37678310448).

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

22220540304 is a wasteful number, since it uses less digits than its factorization.

22220540304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20127335 (or 20127329 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The spelling of 22220540304 in words is "twenty-two billion, two hundred twenty million, five hundred forty thousand, three hundred four".