22244488 has 16 divisors (see below), whose sum is σ = 47666880. Its totient is φ = 9533328.

The previous prime is 22244477. The next prime is 22244491. The reversal of 22244488 is 88444222.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198556 + ... + 198667.

It is an arithmetic number, because the mean of its divisors is an integer number (2979180).

Almost surely, 2^22244488 is an apocalyptic number.

22244488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22244488 is an abundant number, since it is smaller than the sum of its proper divisors (25422392).

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

22244488 is a wasteful number, since it uses less digits than its factorization.

22244488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397236 (or 397232 counting only the distinct ones).

The product of its digits is 32768, while the sum is 34.

The square root of 22244488 is about 4716.4062590070. The cubic root of 22244488 is about 281.2380888454.

The spelling of 22244488 in words is "twenty-two million, two hundred forty-four thousand, four hundred eighty-eight".