22893897 has 16 divisors (see below), whose sum is σ = 33091520. Its totient is φ = 13995072.

The previous prime is 22893889. The next prime is 22893907. The reversal of 22893897 is 79839822.

It is a happy number.

It is not a de Polignac number, because 22893897 - 2³ = 22893889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22893877) 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 in 15 ways as a sum of consecutive naturals, for example, 4254 + ... + 7992.

It is an arithmetic number, because the mean of its divisors is an integer number (2068220).

Almost surely, 2^22893897 is an apocalyptic number.

It is an amenable number.

22893897 is a deficient number, since it is larger than the sum of its proper divisors (10197623).

22893897 is a wasteful number, since it uses less digits than its factorization.

22893897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3912.

The product of its digits is 435456, while the sum is 48.

The square root of 22893897 is about 4784.7567336282. The cubic root of 22893897 is about 283.9487153643.

The spelling of 22893897 in words is "twenty-two million, eight hundred ninety-three thousand, eight hundred ninety-seven".