22233456 has 180 divisors, whose sum is σ = 76079952. Its totient is φ = 6031872.

The previous prime is 22233443. The next prime is 22233457. The reversal of 22233456 is 65433222.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233457) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 162220 + ... + 162356.

Almost surely, 2^22233456 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 22233456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38039976).

22233456 is an abundant number, since it is smaller than the sum of its proper divisors (53846496).

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

22233456 is a wasteful number, since it uses less digits than its factorization.

22233456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 172 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 22233456 is about 4715.2365794306. The cubic root of 22233456 is about 281.1915884622.

Adding to 22233456 its reverse (65433222), we get a palindrome (87666678).

The spelling of 22233456 in words is "twenty-two million, two hundred thirty-three thousand, four hundred fifty-six".