22550885 has 16 divisors (see below), whose sum is σ = 31159296. Its totient is φ = 15347328.

The previous prime is 22550873. The next prime is 22550903. The reversal of 22550885 is 58805522.

It is a cyclic number.

It is not a de Polignac number, because 22550885 - 2⁶ = 22550821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2444 + ... + 7146.

It is an arithmetic number, because the mean of its divisors is an integer number (1947456).

Almost surely, 2^22550885 is an apocalyptic number.

It is an amenable number.

22550885 is a deficient number, since it is larger than the sum of its proper divisors (8608411).

22550885 is a wasteful number, since it uses less digits than its factorization.

22550885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4852.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 22550885 is about 4748.7772110302. Note that the first 3 decimals coincide. The cubic root of 22550885 is about 282.5234689563.

The spelling of 22550885 in words is "twenty-two million, five hundred fifty thousand, eight hundred eighty-five".