22328244 has 48 divisors (see below), whose sum is σ = 58643200. Its totient is φ = 7345728.

The previous prime is 22328227. The next prime is 22328261. The reversal of 22328244 is 44282322.

22328244 = T₇₁₂ + T₇₁₃ + ... + T₇₉₀.

It is an interprime number because it is at equal distance from previous prime (22328227) and next prime (22328261).

It is a super-3 number, since 3×22328244³ (a number of 23 digits) contains 333 as substring.

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

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, 7224 + ... + 9840.

Almost surely, 2^22328244 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 22328244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29321600).

22328244 is an abundant number, since it is smaller than the sum of its proper divisors (36314956).

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

22328244 is a wasteful number, since it uses less digits than its factorization.

22328244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2701 counting only the distinct ones).

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

The square root of 22328244 is about 4725.2771347298. The cubic root of 22328244 is about 281.5906237462.

The spelling of 22328244 in words is "twenty-two million, three hundred twenty-eight thousand, two hundred forty-four".