222532002 has 128 divisors (see below), whose sum is σ = 623462400. Its totient is φ = 57153600.

The previous prime is 222531997. The next prime is 222532031. The reversal of 222532002 is 200235222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 452977 + ... + 453467.

It is an arithmetic number, because the mean of its divisors is an integer number (4870800).

Almost surely, 2^222532002 is an apocalyptic number.

222532002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 222532002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (311731200).

222532002 is an abundant number, since it is smaller than the sum of its proper divisors (400930398).

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

222532002 is a wasteful number, since it uses less digits than its factorization.

222532002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 222532002 is about 14917.5065610845. The cubic root of 222532002 is about 605.9881872023.

Adding to 222532002 its reverse (200235222), we get a palindrome (422767224).

The spelling of 222532002 in words is "two hundred twenty-two million, five hundred thirty-two thousand, two".