22650551001 has 81 divisors (see below), whose sum is σ = 37800880221. Its totient is φ = 13061078784.

The previous prime is 22650550991. The next prime is 22650551003. The reversal of 22650551001 is 10015505622.

The square root of 22650551001 is 150501.

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

22650551001 is a `hidden beast` number, since 2 + 2 + 650 + 5 + 5 + 1 + 0 + 0 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 204518601 + 22446032400 = 14301^2 + 149820^2 .

It is not a de Polignac number, because 22650551001 - 2⁵ = 22650550969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22650551003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 99782050 + ... + 99782276.

Almost surely, 2^22650551001 is an apocalyptic number.

22650551001 is the 150501-st square number.

22650551001 is the 75251-st centered octagonal number.

It is an amenable number.

22650551001 is a deficient number, since it is larger than the sum of its proper divisors (15150329220).

22650551001 is a wasteful number, since it uses less digits than its factorization.

22650551001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 22650551001 in words is "twenty-two billion, six hundred fifty million, five hundred fifty-one thousand, one".