22444730 has 64 divisors (see below), whose sum is σ = 51038208. Its totient is φ = 6903360.

The previous prime is 22444717. The next prime is 22444739. The reversal of 22444730 is 3744422.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22444730.

It is not an unprimeable number, because it can be changed into a prime (22444739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79169 + ... + 79451.

It is an arithmetic number, because the mean of its divisors is an integer number (797472).

Almost surely, 2^22444730 is an apocalyptic number.

22444730 is an abundant number, since it is smaller than the sum of its proper divisors (28593478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22444730 is a wasteful number, since it uses less digits than its factorization.

22444730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411.

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 22444730 is about 4737.5869385163. The cubic root of 22444730 is about 282.0794588556.

The spelling of 22444730 in words is "twenty-two million, four hundred forty-four thousand, seven hundred thirty".