22450490 has 32 divisors (see below), whose sum is σ = 42418944. Its totient is φ = 8544960.

The previous prime is 22450451. The next prime is 22450499. The reversal of 22450490 is 9405422.

It is not an unprimeable number, because it can be changed into a prime (22450499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16745 + ... + 18035.

It is an arithmetic number, because the mean of its divisors is an integer number (1325592).

Almost surely, 2^22450490 is an apocalyptic number.

22450490 is a deficient number, since it is larger than the sum of its proper divisors (19968454).

22450490 is a wasteful number, since it uses less digits than its factorization.

22450490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22450490 is about 4738.1948039311. The cubic root of 22450490 is about 282.1035868464.

The spelling of 22450490 in words is "twenty-two million, four hundred fifty thousand, four hundred ninety".