22224274 has 4 divisors (see below), whose sum is σ = 33336414. Its totient is φ = 11112136.

The previous prime is 22224269. The next prime is 22224283. The reversal of 22224274 is 47242222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13373649 + 8850625 = 3657^2 + 2975^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556067 + ... + 5556070.

Almost surely, 2^22224274 is an apocalyptic number.

22224274 is a deficient number, since it is larger than the sum of its proper divisors (11112140).

22224274 is a wasteful number, since it uses less digits than its factorization.

22224274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112139.

The product of its digits is 3584, while the sum is 25.

The square root of 22224274 is about 4714.2628267843. The cubic root of 22224274 is about 281.1528741830.

Adding to 22224274 its reverse (47242222), we get a palindrome (69466496).

The spelling of 22224274 in words is "twenty-two million, two hundred twenty-four thousand, two hundred seventy-four".