22397602 has 8 divisors (see below), whose sum is σ = 35572716. Its totient is φ = 10540032.

The previous prime is 22397597. The next prime is 22397611. The reversal of 22397602 is 20679322.

It can be written as a sum of positive squares in 2 ways, for example, as 21986721 + 410881 = 4689^2 + 641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329343 + ... + 329410.

Almost surely, 2^22397602 is an apocalyptic number.

22397602 is a deficient number, since it is larger than the sum of its proper divisors (13175114).

22397602 is a wasteful number, since it uses less digits than its factorization.

22397602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658772.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 22397602 is about 4732.6104847114. The cubic root of 22397602 is about 281.8818897436.

The spelling of 22397602 in words is "twenty-two million, three hundred ninety-seven thousand, six hundred two".