22774898 has 4 divisors (see below), whose sum is σ = 34162350. Its totient is φ = 11387448.

The previous prime is 22774861. The next prime is 22774903. The reversal of 22774898 is 89847722.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89847722 = 2 ⋅44923861.

It can be written as a sum of positive squares in only one way, i.e., 21780889 + 994009 = 4667^2 + 997^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5693723 + ... + 5693726.

Almost surely, 2^22774898 is an apocalyptic number.

22774898 is a deficient number, since it is larger than the sum of its proper divisors (11387452).

22774898 is a wasteful number, since it uses less digits than its factorization.

22774898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11387451.

The product of its digits is 451584, while the sum is 47.

The square root of 22774898 is about 4772.3053129489. The cubic root of 22774898 is about 283.4558863912.

The spelling of 22774898 in words is "twenty-two million, seven hundred seventy-four thousand, eight hundred ninety-eight".