22073044900 has 81 divisors (see below), whose sum is σ = 48754916161. Its totient is φ = 8674110880.

The previous prime is 22073044853. The next prime is 22073044927. The reversal of 22073044900 is 944037022.

The square root of 22073044900 is 148570.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7946296164 + 14126748736 = 89142^2 + 118856^2 .

It is a super-2 number, since 2×22073044900² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 123313011 + ... + 123313189.

Almost surely, 2^22073044900 is an apocalyptic number.

22073044900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

22073044900 is the 148570-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22073044900

22073044900 is an abundant number, since it is smaller than the sum of its proper divisors (26681871261).

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

22073044900 is an equidigital number, since it uses as much as digits as its factorization.

22073044900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 269 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 22073044900 in words is "twenty-two billion, seventy-three million, forty-four thousand, nine hundred".