22044135 has 16 divisors (see below), whose sum is σ = 35392896. Its totient is φ = 11716128.

The previous prime is 22044133. The next prime is 22044137. The reversal of 22044135 is 53144022.

It is an interprime number because it is at equal distance from previous prime (22044133) and next prime (22044137).

It is not a de Polignac number, because 22044135 - 2¹ = 22044133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (2212056).

Almost surely, 2^22044135 is an apocalyptic number.

22044135 is a deficient number, since it is larger than the sum of its proper divisors (13348761).

22044135 is a wasteful number, since it uses less digits than its factorization.

22044135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 22044135 is about 4695.1182093745. The cubic root of 22044135 is about 280.3911836710.

Adding to 22044135 its reverse (53144022), we get a palindrome (75188157).

The spelling of 22044135 in words is "twenty-two million, forty-four thousand, one hundred thirty-five".