22290788601 has 45 divisors (see below), whose sum is σ = 34047491709. Its totient is φ = 14533556544.

The previous prime is 22290788593. The next prime is 22290788609. The reversal of 22290788601 is 10688709222.

The square root of 22290788601 is 149301.

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

It is an interprime number because it is at equal distance from previous prime (22290788593) and next prime (22290788609).

It can be written as a sum of positive squares in 4 ways, for example, as 4692113001 + 17598675600 = 68499^2 + 132660^2 .

It is not a de Polignac number, because 22290788601 - 2³ = 22290788593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22290788609) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 71216421 + ... + 71216733.

Almost surely, 2^22290788601 is an apocalyptic number.

22290788601 is the 149301-st square number.

22290788601 is the 74651-st centered octagonal number.

It is an amenable number.

22290788601 is a deficient number, since it is larger than the sum of its proper divisors (11756703108).

22290788601 is an frugal number, since it uses more digits than its factorization.

22290788601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 22290788601 in words is "twenty-two billion, two hundred ninety million, seven hundred eighty-eight thousand, six hundred one".