43222788 has 48 divisors (see below), whose sum is σ = 128069760. Its totient is φ = 12349152.

The previous prime is 43222769. The next prime is 43222793. The reversal of 43222788 is 88722234.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27831 + ... + 29342.

It is an arithmetic number, because the mean of its divisors is an integer number (2668120).

Almost surely, 2^43222788 is an apocalyptic number.

It is an amenable number.

43222788 is an abundant number, since it is smaller than the sum of its proper divisors (84846972).

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

43222788 is a wasteful number, since it uses less digits than its factorization.

43222788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57193 (or 57185 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 43222788 is about 6574.4040034059. The cubic root of 43222788 is about 350.9438145146.

It can be divided in two parts, 432 and 22788, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 43222788 in words is "forty-three million, two hundred twenty-two thousand, seven hundred eighty-eight".