22248336 has 80 divisors (see below), whose sum is σ = 64906560. Its totient is φ = 6504960.

The previous prime is 22248323. The next prime is 22248349. The reversal of 22248336 is 63384222.

It is an interprime number because it is at equal distance from previous prime (22248323) and next prime (22248349).

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14586 + ... + 16038.

It is an arithmetic number, because the mean of its divisors is an integer number (811332).

Almost surely, 2^22248336 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 22248336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32453280).

22248336 is an abundant number, since it is smaller than the sum of its proper divisors (42658224).

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

22248336 is a wasteful number, since it uses less digits than its factorization.

22248336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1498 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 22248336 is about 4716.8141790832. The cubic root of 22248336 is about 281.2543047242.

The spelling of 22248336 in words is "twenty-two million, two hundred forty-eight thousand, three hundred thirty-six".