22661963 has 8 divisors (see below), whose sum is σ = 23496480. Its totient is φ = 21831040.

The previous prime is 22661939. The next prime is 22661987. The reversal of 22661963 is 36916622.

It is an interprime number because it is at equal distance from previous prime (22661939) and next prime (22661987).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22661963 - 2⁸ = 22661707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22661363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25106 + ... + 25992.

It is an arithmetic number, because the mean of its divisors is an integer number (2937060).

Almost surely, 2^22661963 is an apocalyptic number.

22661963 is a deficient number, since it is larger than the sum of its proper divisors (834517).

22661963 is an equidigital number, since it uses as much as digits as its factorization.

22661963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its digits is 23328, while the sum is 35.

The square root of 22661963 is about 4760.4582762587. The cubic root of 22661963 is about 282.9865809584.

The spelling of 22661963 in words is "twenty-two million, six hundred sixty-one thousand, nine hundred sixty-three".