22963864 has 48 divisors (see below), whose sum is σ = 54104400. Its totient is φ = 8944320.

The previous prime is 22963861. The next prime is 22963879. The reversal of 22963864 is 46836922.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22963861) 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 11 ways as a sum of consecutive naturals, for example, 5082 + ... + 8470.

It is an arithmetic number, because the mean of its divisors is an integer number (1127175).

Almost surely, 2^22963864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22963864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27052200).

22963864 is an abundant number, since it is smaller than the sum of its proper divisors (31140536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22963864 is a wasteful number, since it uses less digits than its factorization.

22963864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3424 (or 3409 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 22963864 is about 4792.0626039316. The cubic root of 22963864 is about 284.2376837188.

The spelling of 22963864 in words is "twenty-two million, nine hundred sixty-three thousand, eight hundred sixty-four".