22044963 has 4 divisors (see below), whose sum is σ = 29393288. Its totient is φ = 14696640.

The previous prime is 22044961. The next prime is 22044977. The reversal of 22044963 is 36944022.

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

It is not a de Polignac number, because 22044963 - 2¹ = 22044961 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 22044963.

It is not an unprimeable number, because it can be changed into a prime (22044961) 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, 3674158 + ... + 3674163.

It is an arithmetic number, because the mean of its divisors is an integer number (7348322).

Almost surely, 2^22044963 is an apocalyptic number.

22044963 is a deficient number, since it is larger than the sum of its proper divisors (7348325).

22044963 is an equidigital number, since it uses as much as digits as its factorization.

22044963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7348324.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 22044963 is about 4695.2063852402. The cubic root of 22044963 is about 280.3946942192.

Adding to 22044963 its reverse (36944022), we get a palindrome (58988985).

The spelling of 22044963 in words is "twenty-two million, forty-four thousand, nine hundred sixty-three".