22304906 has 16 divisors (see below), whose sum is σ = 36201984. Its totient is φ = 10245744.

The previous prime is 22304897. The next prime is 22304911. The reversal of 22304906 is 60940322.

It is a Harshad number since it is a multiple of its sum of digits (26).

22304906 is a modest number, since divided by 4906 gives 2230 as remainder.

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, 3875 + ... + 7721.

It is an arithmetic number, because the mean of its divisors is an integer number (2262624).

Almost surely, 2^22304906 is an apocalyptic number.

22304906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22304906 is a deficient number, since it is larger than the sum of its proper divisors (13897078).

22304906 is a wasteful number, since it uses less digits than its factorization.

22304906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 22304906 is about 4722.8070043143. The cubic root of 22304906 is about 281.4924811880.

The spelling of 22304906 in words is "twenty-two million, three hundred four thousand, nine hundred six".