22409802 has 12 divisors (see below), whose sum is σ = 48554610. Its totient is φ = 7469928.

The previous prime is 22409789. The next prime is 22409879. The reversal of 22409802 is 20890422.

It can be written as a sum of positive squares in only one way, i.e., 12047841 + 10361961 = 3471^2 + 3219^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 622477 + ... + 622512.

Almost surely, 2^22409802 is an apocalyptic number.

22409802 is an abundant number, since it is smaller than the sum of its proper divisors (26144808).

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

22409802 is a wasteful number, since it uses less digits than its factorization.

22409802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244997 (or 1244994 counting only the distinct ones).

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

The square root of 22409802 is about 4733.8992384714. The cubic root of 22409802 is about 281.9330609188.

The spelling of 22409802 in words is "twenty-two million, four hundred nine thousand, eight hundred two".