22044955 has 4 divisors (see below), whose sum is σ = 26453952. Its totient is φ = 17635960.

The previous prime is 22044949. The next prime is 22044961. The reversal of 22044955 is 55944022.

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

It is an interprime number because it is at equal distance from previous prime (22044949) and next prime (22044961).

It is not a de Polignac number, because 22044955 - 2³ = 22044947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2204491 + ... + 2204500.

It is an arithmetic number, because the mean of its divisors is an integer number (6613488).

Almost surely, 2^22044955 is an apocalyptic number.

22044955 is a deficient number, since it is larger than the sum of its proper divisors (4408997).

22044955 is an equidigital number, since it uses as much as digits as its factorization.

22044955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4408996.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 22044955 is about 4695.2055333074. The cubic root of 22044955 is about 280.3946603013.

Adding to 22044955 its reverse (55944022), we get a palindrome (77988977).

The spelling of 22044955 in words is "twenty-two million, forty-four thousand, nine hundred fifty-five".