22551633 has 12 divisors (see below), whose sum is σ = 35080500. Its totient is φ = 13877856.

The previous prime is 22551631. The next prime is 22551643. The reversal of 22551633 is 33615522.

22551633 is a `hidden beast` number, since 2 + 25 + 5 + 1 + 633 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7551504 + 15000129 = 2748^2 + 3873^2 .

It is not a de Polignac number, because 22551633 - 2¹ = 22551631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22551597 and 22551606.

It is not an unprimeable number, because it can be changed into a prime (22551631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96258 + ... + 96491.

It is an arithmetic number, because the mean of its divisors is an integer number (2923375).

Almost surely, 2^22551633 is an apocalyptic number.

It is an amenable number.

22551633 is a deficient number, since it is larger than the sum of its proper divisors (12528867).

22551633 is a wasteful number, since it uses less digits than its factorization.

22551633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192768 (or 192765 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 22551633 is about 4748.8559674936. The cubic root of 22551633 is about 282.5265926359.

The spelling of 22551633 in words is "twenty-two million, five hundred fifty-one thousand, six hundred thirty-three".