22401963 has 6 divisors (see below), whose sum is σ = 32358404. Its totient is φ = 14934636.

The previous prime is 22401947. The next prime is 22401979. The reversal of 22401963 is 36910422.

It is an interprime number because it is at equal distance from previous prime (22401947) and next prime (22401979).

It is not a de Polignac number, because 22401963 - 2⁴ = 22401947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22401163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1244545 + ... + 1244562.

Almost surely, 2^22401963 is an apocalyptic number.

22401963 is a deficient number, since it is larger than the sum of its proper divisors (9956441).

22401963 is a wasteful number, since it uses less digits than its factorization.

22401963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489113 (or 2489110 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 22401963 is about 4733.0712016618. The cubic root of 22401963 is about 281.9001834751.

The spelling of 22401963 in words is "twenty-two million, four hundred one thousand, nine hundred sixty-three".