33422256 has 120 divisors (see below), whose sum is σ = 108635904. Its totient is φ = 9394560.

The previous prime is 33422251. The next prime is 33422267. The reversal of 33422256 is 65222433.

33422256 = T₁₂₀ + T₁₂₁ + ... + T₅₈₆.

It is a super-2 number, since 2×33422256² = 2234094392259072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33422251) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71335 + ... + 71801.

Almost surely, 2^33422256 is an apocalyptic number.

33422256 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33422256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54317952).

33422256 is an abundant number, since it is smaller than the sum of its proper divisors (75213648).

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

33422256 is a wasteful number, since it uses less digits than its factorization.

33422256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 550 counting only the distinct ones).

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

The square root of 33422256 is about 5781.1984916624. The cubic root of 33422256 is about 322.1157204022.

Adding to 33422256 its reverse (65222433), we get a palindrome (98644689).

The spelling of 33422256 in words is "thirty-three million, four hundred twenty-two thousand, two hundred fifty-six".