22894544 has 40 divisors (see below), whose sum is σ = 47139840. Its totient is φ = 10741248.

The previous prime is 22894519. The next prime is 22894549. The reversal of 22894544 is 44549822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 22894498 and 22894507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22894549) 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, 38312 + ... + 38904.

It is an arithmetic number, because the mean of its divisors is an integer number (1178496).

Almost surely, 2^22894544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22894544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23569920).

22894544 is an abundant number, since it is smaller than the sum of its proper divisors (24245296).

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

22894544 is a wasteful number, since it uses less digits than its factorization.

22894544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 741 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 22894544 is about 4784.8243436933. The cubic root of 22894544 is about 283.9513902124.

The spelling of 22894544 in words is "twenty-two million, eight hundred ninety-four thousand, five hundred forty-four".