22400698 has 4 divisors (see below), whose sum is σ = 33601050. Its totient is φ = 11200348.

The previous prime is 22400681. The next prime is 22400701. The reversal of 22400698 is 89600422.

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., 22344529 + 56169 = 4727^2 + 237^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600173 + ... + 5600176.

Almost surely, 2^22400698 is an apocalyptic number.

22400698 is a deficient number, since it is larger than the sum of its proper divisors (11200352).

22400698 is a wasteful number, since it uses less digits than its factorization.

22400698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11200351.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 22400698 is about 4732.9375656140. The cubic root of 22400698 is about 281.8948772370.

The spelling of 22400698 in words is "twenty-two million, four hundred thousand, six hundred ninety-eight".