22398668 has 6 divisors (see below), whose sum is σ = 39197676. Its totient is φ = 11199332.

The previous prime is 22398667. The next prime is 22398679. The reversal of 22398668 is 86689322.

It is not an unprimeable number, because it can be changed into a prime (22398661) by changing a digit.

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 as a sum of consecutive naturals, namely, 2799830 + ... + 2799837.

It is an arithmetic number, because the mean of its divisors is an integer number (6532946).

Almost surely, 2^22398668 is an apocalyptic number.

It is an amenable number.

22398668 is a deficient number, since it is larger than the sum of its proper divisors (16799008).

22398668 is a wasteful number, since it uses less digits than its factorization.

22398668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599671 (or 5599669 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 22398668 is about 4732.7231062043. The cubic root of 22398668 is about 281.8863616707.

The spelling of 22398668 in words is "twenty-two million, three hundred ninety-eight thousand, six hundred sixty-eight".