22243376 has 30 divisors (see below), whose sum is σ = 45495972. Its totient is φ = 10533600.

The previous prime is 22243363. The next prime is 22243379. The reversal of 22243376 is 67334222.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22243379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3851 + ... + 7701.

Almost surely, 2^22243376 is an apocalyptic number.

22243376 is the 3851-st pentagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22243376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22747986).

22243376 is an abundant number, since it is smaller than the sum of its proper divisors (23252596).

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

22243376 is a wasteful number, since it uses less digits than its factorization.

22243376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3897 (or 3872 counting only the distinct ones).

The product of its digits is 12096, while the sum is 29.

The square root of 22243376 is about 4716.2883711665. The cubic root of 22243376 is about 281.2334024115.

Adding to 22243376 its reverse (67334222), we get a palindrome (89577598).

The spelling of 22243376 in words is "twenty-two million, two hundred forty-three thousand, three hundred seventy-six".