22774450 has 12 divisors (see below), whose sum is σ = 42360570. Its totient is φ = 9109760.

The previous prime is 22774421. The next prime is 22774459. The reversal of 22774450 is 5447722.

It can be written as a sum of positive squares in 3 ways, for example, as 13995081 + 8779369 = 3741^2 + 2963^2 .

It is not an unprimeable number, because it can be changed into a prime (22774459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227695 + ... + 227794.

Almost surely, 2^22774450 is an apocalyptic number.

22774450 is a deficient number, since it is larger than the sum of its proper divisors (19586120).

22774450 is a wasteful number, since it uses less digits than its factorization.

22774450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455501 (or 455496 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 22774450 is about 4772.2583752349. The cubic root of 22774450 is about 283.4540277795.

The spelling of 22774450 in words is "twenty-two million, seven hundred seventy-four thousand, four hundred fifty".