22244526 has 12 divisors (see below), whose sum is σ = 48196512. Its totient is φ = 7414836.

The previous prime is 22244503. The next prime is 22244539. The reversal of 22244526 is 62544222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22244526.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617886 + ... + 617921.

It is an arithmetic number, because the mean of its divisors is an integer number (4016376).

Almost surely, 2^22244526 is an apocalyptic number.

22244526 is an abundant number, since it is smaller than the sum of its proper divisors (25951986).

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

22244526 is a wasteful number, since it uses less digits than its factorization.

22244526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235815 (or 1235812 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22244526 is about 4716.4102874962. The cubic root of 22244526 is about 281.2382489905.

Adding to 22244526 its reverse (62544222), we get a palindrome (84788748).

The spelling of 22244526 in words is "twenty-two million, two hundred forty-four thousand, five hundred twenty-six".