22340890 has 64 divisors (see below), whose sum is σ = 50077440. Its totient is φ = 7050240.

The previous prime is 22340849. The next prime is 22340909. The reversal of 22340890 is 9804322.

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, 23851 + ... + 24769.

It is an arithmetic number, because the mean of its divisors is an integer number (782460).

Almost surely, 2^22340890 is an apocalyptic number.

22340890 is an abundant number, since it is smaller than the sum of its proper divisors (27736550).

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

22340890 is a wasteful number, since it uses less digits than its factorization.

22340890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22340890 is about 4726.6150678895. The cubic root of 22340890 is about 281.6437750070.

The spelling of 22340890 in words is "twenty-two million, three hundred forty thousand, eight hundred ninety".