22398355 has 16 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 15234912.

The previous prime is 22398349. The next prime is 22398361. The reversal of 22398355 is 55389322.

It is an interprime number because it is at equal distance from previous prime (22398349) and next prime (22398361).

It is not a de Polignac number, because 22398355 - 2⁵ = 22398323 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1926 + ... + 6964.

It is an arithmetic number, because the mean of its divisors is an integer number (1935360).

Almost surely, 2^22398355 is an apocalyptic number.

22398355 is a deficient number, since it is larger than the sum of its proper divisors (8567405).

22398355 is a wasteful number, since it uses less digits than its factorization.

22398355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5178.

The product of its digits is 64800, while the sum is 37.

The square root of 22398355 is about 4732.6900384454. The cubic root of 22398355 is about 281.8850486337.

The spelling of 22398355 in words is "twenty-two million, three hundred ninety-eight thousand, three hundred fifty-five".