40032222 has 32 divisors (see below), whose sum is σ = 83303424. Its totient is φ = 12811200.

The previous prime is 40032211. The next prime is 40032227. The reversal of 40032222 is 22223004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40032227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24697 + ... + 26267.

It is an arithmetic number, because the mean of its divisors is an integer number (2603232).

Almost surely, 2^40032222 is an apocalyptic number.

40032222 is an abundant number, since it is smaller than the sum of its proper divisors (43271202).

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

40032222 is a wasteful number, since it uses less digits than its factorization.

40032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1744.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 40032222 is about 6327.1021803034. The cubic root of 40032222 is about 342.0869960964.

Adding to 40032222 its reverse (22223004), we get a palindrome (62255226).

The spelling of 40032222 in words is "forty million, thirty-two thousand, two hundred twenty-two".