22494170 has 16 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 8909904.

The previous prime is 22494151. The next prime is 22494181. The reversal of 22494170 is 7149422.

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, 9890 + ... + 11949.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^22494170 is an apocalyptic number.

22494170 is a deficient number, since it is larger than the sum of its proper divisors (18390310).

22494170 is a wasteful number, since it uses less digits than its factorization.

22494170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21949.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 22494170 is about 4742.8019144805. The cubic root of 22494170 is about 282.2864232689.

The spelling of 22494170 in words is "twenty-two million, four hundred ninety-four thousand, one hundred seventy".