23922081 has 16 divisors (see below), whose sum is σ = 36043200. Its totient is φ = 15676704.

The previous prime is 23922079. The next prime is 23922089. The reversal of 23922081 is 18022932.

It is a happy number.

It is not a de Polignac number, because 23922081 - 2¹ = 23922079 is a prime.

It is a super-2 number, since 2×23922081² = 1144531918741122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (23922089) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5916 + ... + 9101.

It is an arithmetic number, because the mean of its divisors is an integer number (2252700).

Almost surely, 2^23922081 is an apocalyptic number.

It is an amenable number.

23922081 is a deficient number, since it is larger than the sum of its proper divisors (12121119).

23922081 is a wasteful number, since it uses less digits than its factorization.

23922081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15085 (or 15079 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 23922081 is about 4891.0204456739. The cubic root of 23922081 is about 288.1374127248.

The spelling of 23922081 in words is "twenty-three million, nine hundred twenty-two thousand, eighty-one".