22345730 has 32 divisors (see below), whose sum is σ = 45301248. Its totient is φ = 7862400.

The previous prime is 22345723. The next prime is 22345751. The reversal of 22345730 is 3754322.

It is a self number, because there is not a number n which added to its sum of digits gives 22345730.

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, 134 + ... + 6686.

It is an arithmetic number, because the mean of its divisors is an integer number (1415664).

Almost surely, 2^22345730 is an apocalyptic number.

22345730 is an abundant number, since it is smaller than the sum of its proper divisors (22955518).

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

22345730 is a wasteful number, since it uses less digits than its factorization.

22345730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 22345730 is about 4727.1270344682. The cubic root of 22345730 is about 281.6641122667.

The spelling of 22345730 in words is "twenty-two million, three hundred forty-five thousand, seven hundred thirty".