22004298 has 20 divisors (see below), whose sum is σ = 49306290. Its totient is φ = 7334712.

The previous prime is 22004263. The next prime is 22004303. The reversal of 22004298 is 89240022.

It can be written as a sum of positive squares in only one way, i.e., 20007729 + 1996569 = 4473^2 + 1413^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67753 + ... + 68076.

Almost surely, 2^22004298 is an apocalyptic number.

22004298 is an abundant number, since it is smaller than the sum of its proper divisors (27301992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22004298 is a wasteful number, since it uses less digits than its factorization.

22004298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135843 (or 135834 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22004298 is about 4690.8739057877. The cubic root of 22004298 is about 280.2221790971. Note that the first 3 decimals are identical.

The spelling of 22004298 in words is "twenty-two million, four thousand, two hundred ninety-eight".