22455404 has 6 divisors (see below), whose sum is σ = 39296964. Its totient is φ = 11227700.

The previous prime is 22455379. The next prime is 22455409. The reversal of 22455404 is 40455422.

It is not an unprimeable number, because it can be changed into a prime (22455409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2806922 + ... + 2806929.

It is an arithmetic number, because the mean of its divisors is an integer number (6549494).

Almost surely, 2^22455404 is an apocalyptic number.

It is an amenable number.

22455404 is a deficient number, since it is larger than the sum of its proper divisors (16841560).

22455404 is a wasteful number, since it uses less digits than its factorization.

22455404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613855 (or 5613853 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 22455404 is about 4738.7133274761. The cubic root of 22455404 is about 282.1241677765.

The spelling of 22455404 in words is "twenty-two million, four hundred fifty-five thousand, four hundred four".