22763939 has 4 divisors (see below), whose sum is σ = 24833400. Its totient is φ = 20694480.

The previous prime is 22763921. The next prime is 22763989. The reversal of 22763939 is 93936722.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22763939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22763896 and 22763905.

It is not an unprimeable number, because it can be changed into a prime (22763989) 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, 1034714 + ... + 1034735.

It is an arithmetic number, because the mean of its divisors is an integer number (6208350).

Almost surely, 2^22763939 is an apocalyptic number.

22763939 is a deficient number, since it is larger than the sum of its proper divisors (2069461).

22763939 is a wasteful number, since it uses less digits than its factorization.

22763939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069460.

The product of its digits is 122472, while the sum is 41.

The square root of 22763939 is about 4771.1569875660. The cubic root of 22763939 is about 283.4104139380.

The spelling of 22763939 in words is "twenty-two million, seven hundred sixty-three thousand, nine hundred thirty-nine".