22398877 has 8 divisors (see below), whose sum is σ = 23889600. Its totient is φ = 20927424.

The previous prime is 22398851. The next prime is 22398881. The reversal of 22398877 is 77889322.

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

It is a cyclic number.

It is not a de Polignac number, because 22398877 - 2⁷ = 22398749 is a prime.

It is a super-2 number, since 2×22398877² = 1003419381722258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22398847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2377 + ... + 7102.

It is an arithmetic number, because the mean of its divisors is an integer number (2986200).

Almost surely, 2^22398877 is an apocalyptic number.

It is an amenable number.

22398877 is a deficient number, since it is larger than the sum of its proper divisors (1490723).

22398877 is a wasteful number, since it uses less digits than its factorization.

22398877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9635.

The product of its digits is 338688, while the sum is 46.

The square root of 22398877 is about 4732.7451864642. The cubic root of 22398877 is about 281.8872384203.

The spelling of 22398877 in words is "twenty-two million, three hundred ninety-eight thousand, eight hundred seventy-seven".