22440770 has 16 divisors (see below), whose sum is σ = 44065728. Its totient is φ = 8160240.

The previous prime is 22440763. The next prime is 22440841. The reversal of 22440770 is 7704422.

It is a Curzon 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, 101894 + ... + 102113.

It is an arithmetic number, because the mean of its divisors is an integer number (2754108).

Almost surely, 2^22440770 is an apocalyptic number.

22440770 is a deficient number, since it is larger than the sum of its proper divisors (21624958).

22440770 is a wasteful number, since it uses less digits than its factorization.

22440770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204025.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 22440770 is about 4737.1689857973. The cubic root of 22440770 is about 282.0628684673.

The spelling of 22440770 in words is "twenty-two million, four hundred forty thousand, seven hundred seventy".