22247404 has 24 divisors (see below), whose sum is σ = 41216000. Its totient is φ = 10478160.

The previous prime is 22247387. The next prime is 22247431. The reversal of 22247404 is 40474222.

22247404 = T₁₁₅ + T₁₁₆ + ... + T₅₁₂.

It is a happy number.

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, 14389 + ... + 15859.

Almost surely, 2^22247404 is an apocalyptic number.

It is an amenable number.

22247404 is a deficient number, since it is larger than the sum of its proper divisors (18968596).

22247404 is a wasteful number, since it uses less digits than its factorization.

22247404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693 (or 1691 counting only the distinct ones).

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

The square root of 22247404 is about 4716.7153825517. The cubic root of 22247404 is about 281.2503773493.

The spelling of 22247404 in words is "twenty-two million, two hundred forty-seven thousand, four hundred four".