22545770 has 16 divisors (see below), whose sum is σ = 43704360. Its totient is φ = 8324544.

The previous prime is 22545769. The next prime is 22545781. The reversal of 22545770 is 7754522.

It can be written as a sum of positive squares in 4 ways, for example, as 18412681 + 4133089 = 4291^2 + 2033^2 .

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, 86585 + ... + 86844.

Almost surely, 2^22545770 is an apocalyptic number.

22545770 is a deficient number, since it is larger than the sum of its proper divisors (21158590).

22545770 is a wasteful number, since it uses less digits than its factorization.

22545770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173449.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 22545770 is about 4748.2386207940. The cubic root of 22545770 is about 282.5021066489.

The spelling of 22545770 in words is "twenty-two million, five hundred forty-five thousand, seven hundred seventy".