22444641 has 32 divisors (see below), whose sum is σ = 35614080. Its totient is φ = 13920768.

The previous prime is 22444577. The next prime is 22444661. The reversal of 22444641 is 14644422.

It is a happy number.

It is not a de Polignac number, because 22444641 - 2⁶ = 22444577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22444661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48885 + ... + 49341.

It is an arithmetic number, because the mean of its divisors is an integer number (1112940).

Almost surely, 2^22444641 is an apocalyptic number.

It is an amenable number.

22444641 is a deficient number, since it is larger than the sum of its proper divisors (13169439).

22444641 is a wasteful number, since it uses less digits than its factorization.

22444641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 584 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 22444641 is about 4737.5775455395. The cubic root of 22444641 is about 282.0790860123.

The spelling of 22444641 in words is "twenty-two million, four hundred forty-four thousand, six hundred forty-one".