22250805 has 32 divisors (see below), whose sum is σ = 37895040. Its totient is φ = 11116800.

The previous prime is 22250797. The next prime is 22250849. The reversal of 22250805 is 50805222.

It is not a de Polignac number, because 22250805 - 2³ = 22250797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28399 + ... + 29171.

It is an arithmetic number, because the mean of its divisors is an integer number (1184220).

Almost surely, 2^22250805 is an apocalyptic number.

It is an amenable number.

22250805 is a deficient number, since it is larger than the sum of its proper divisors (15644235).

22250805 is a wasteful number, since it uses less digits than its factorization.

22250805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 22250805 is about 4717.0758950859. The cubic root of 22250805 is about 281.2647083666.

The spelling of 22250805 in words is "twenty-two million, two hundred fifty thousand, eight hundred five".