22455770 has 8 divisors (see below), whose sum is σ = 40420404. Its totient is φ = 8982304.

The previous prime is 22455737. The next prime is 22455799. The reversal of 22455770 is 7755422.

It can be written as a sum of positive squares in 2 ways, for example, as 22118209 + 337561 = 4703^2 + 581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1122779 + ... + 1122798.

Almost surely, 2^22455770 is an apocalyptic number.

22455770 is a deficient number, since it is larger than the sum of its proper divisors (17964634).

22455770 is a wasteful number, since it uses less digits than its factorization.

22455770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245584.

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

The square root of 22455770 is about 4738.7519453966. The cubic root of 22455770 is about 282.1257005461.

The spelling of 22455770 in words is "twenty-two million, four hundred fifty-five thousand, seven hundred seventy".