22747970 has 32 divisors (see below), whose sum is σ = 48066048. Its totient is φ = 7587648.

The previous prime is 22747969. The next prime is 22747987. The reversal of 22747970 is 7974722.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1802 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (1502064).

Almost surely, 2^22747970 is an apocalyptic number.

22747970 is an abundant number, since it is smaller than the sum of its proper divisors (25318078).

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

22747970 is a wasteful number, since it uses less digits than its factorization.

22747970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 22747970 is about 4769.4832005155. The cubic root of 22747970 is about 283.3441272320.

The spelling of 22747970 in words is "twenty-two million, seven hundred forty-seven thousand, nine hundred seventy".