22368857 has 8 divisors (see below), whose sum is σ = 26676096. Its totient is φ = 18339552.

The previous prime is 22368839. The next prime is 22368859. The reversal of 22368857 is 75886322.

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

It is not a de Polignac number, because 22368857 - 2⁶ = 22368793 is a prime.

It is a super-3 number, since 3×22368857³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22368859) 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, 69308 + ... + 69629.

It is an arithmetic number, because the mean of its divisors is an integer number (3334512).

Almost surely, 2^22368857 is an apocalyptic number.

It is an amenable number.

22368857 is a deficient number, since it is larger than the sum of its proper divisors (4307239).

22368857 is a wasteful number, since it uses less digits than its factorization.

22368857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138967.

The product of its digits is 161280, while the sum is 41.

The square root of 22368857 is about 4729.5726022549. The cubic root of 22368857 is about 281.7612493924.

The spelling of 22368857 in words is "twenty-two million, three hundred sixty-eight thousand, eight hundred fifty-seven".