22840870 has 16 divisors (see below), whose sum is σ = 44276400. Its totient is φ = 8433504.

The previous prime is 22840861. The next prime is 22840889. The reversal of 22840870 is 7804822.

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 7 ways as a sum of consecutive naturals, for example, 87720 + ... + 87979.

It is an arithmetic number, because the mean of its divisors is an integer number (2767275).

Almost surely, 2^22840870 is an apocalyptic number.

22840870 is a deficient number, since it is larger than the sum of its proper divisors (21435530).

22840870 is a wasteful number, since it uses less digits than its factorization.

22840870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175719.

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 22840870 is about 4779.2122781898. The cubic root of 22840870 is about 283.7293179049.

The spelling of 22840870 in words is "twenty-two million, eight hundred forty thousand, eight hundred seventy".