22893863 has 4 divisors (see below), whose sum is σ = 23031120. Its totient is φ = 22756608.

The previous prime is 22893859. The next prime is 22893869. The reversal of 22893863 is 36839822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22893863 - 2² = 22893859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22893863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22893869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68378 + ... + 68711.

It is an arithmetic number, because the mean of its divisors is an integer number (5757780).

Almost surely, 2^22893863 is an apocalyptic number.

22893863 is a deficient number, since it is larger than the sum of its proper divisors (137257).

22893863 is a wasteful number, since it uses less digits than its factorization.

22893863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137256.

The product of its digits is 124416, while the sum is 41.

The square root of 22893863 is about 4784.7531806771. The cubic root of 22893863 is about 283.9485747991.

The spelling of 22893863 in words is "twenty-two million, eight hundred ninety-three thousand, eight hundred sixty-three".