22644074 has 16 divisors (see below), whose sum is σ = 36013056. Its totient is φ = 10659600.

The previous prime is 22644071. The next prime is 22644077. The reversal of 22644074 is 47044622.

It is an interprime number because it is at equal distance from previous prime (22644071) and next prime (22644077).

It is not an unprimeable number, because it can be changed into a prime (22644071) 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, 2642 + ... + 7229.

It is an arithmetic number, because the mean of its divisors is an integer number (2250816).

Almost surely, 2^22644074 is an apocalyptic number.

22644074 is a deficient number, since it is larger than the sum of its proper divisors (13368982).

22644074 is a wasteful number, since it uses less digits than its factorization.

22644074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9941.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 22644074 is about 4758.5789895724. The cubic root of 22644074 is about 282.9120996263.

Adding to 22644074 its reverse (47044622), we get a palindrome (69688696).

The spelling of 22644074 in words is "twenty-two million, six hundred forty-four thousand, seventy-four".