22061160900 has 81 divisors (see below), whose sum is σ = 69163452813. Its totient is φ = 5881788000.

The previous prime is 22061160857. The next prime is 22061160929. The reversal of 22061160900 is 906116022.

The square root of 22061160900 is 148530.

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., 7942017924 + 14119142976 = 89118^2 + 118824^2 .

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, 4453425 + ... + 4458375.

Almost surely, 2^22061160900 is an apocalyptic number.

22061160900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

22061160900 is the 148530-th square number.

It is an amenable number.

22061160900 is an abundant number, since it is smaller than the sum of its proper divisors (47102291913).

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

22061160900 is an equidigital number, since it uses as much as digits as its factorization.

22061160900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922 (or 4961 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

Multiplying 22061160900 by its product of nonzero digits (1296), we get a square (28591264526400 = 5347080²).

Adding to 22061160900 its reverse (906116022), we get a palindrome (22967276922).

The spelling of 22061160900 in words is "twenty-two billion, sixty-one million, one hundred sixty thousand, nine hundred".