22420806 has 16 divisors (see below), whose sum is σ = 45474048. Its totient is φ = 7368200.

The previous prime is 22420789. The next prime is 22420819. The reversal of 22420806 is 60802422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25890 + ... + 26741.

It is an arithmetic number, because the mean of its divisors is an integer number (2842128).

Almost surely, 2^22420806 is an apocalyptic number.

22420806 is an abundant number, since it is smaller than the sum of its proper divisors (23053242).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22420806 is a wasteful number, since it uses less digits than its factorization.

22420806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52707.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22420806 is about 4735.0613512393. The cubic root of 22420806 is about 281.9791997132.

The spelling of 22420806 in words is "twenty-two million, four hundred twenty thousand, eight hundred six".