32222232 has 128 divisors (see below), whose sum is σ = 103795200. Its totient is φ = 9072000.

The previous prime is 32222231. The next prime is 32222249. The reversal of 32222232 is 23222223.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32222231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152607 + ... + 152817.

It is an arithmetic number, because the mean of its divisors is an integer number (810900).

Almost surely, 2^32222232 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 32222232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51897600).

32222232 is an abundant number, since it is smaller than the sum of its proper divisors (71572968).

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

32222232 is a wasteful number, since it uses less digits than its factorization.

32222232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 324 counting only the distinct ones).

The product of its digits is 576, while the sum is 18.

The square root of 32222232 is about 5676.4629832317. The cubic root of 32222232 is about 318.2134558324.

Adding to 32222232 its reverse (23222223), we get a palindrome (55444455).

Subtracting from 32222232 its reverse (23222223), we obtain a palindrome (9000009).

It can be divided in two parts, 3222223 and 2, that multiplied together give a palindrome (6444446).

The spelling of 32222232 in words is "thirty-two million, two hundred twenty-two thousand, two hundred thirty-two".