222012532 has 36 divisors (see below), whose sum is σ = 454373220. Its totient is φ = 94639104.

The previous prime is 222012517. The next prime is 222012541. The reversal of 222012532 is 235210222.

It can be written as a sum of positive squares in 2 ways, for example, as 36072036 + 185940496 = 6006^2 + 13636^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34894 + ... + 40762.

Almost surely, 2^222012532 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 222012532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227186610).

222012532 is an abundant number, since it is smaller than the sum of its proper divisors (232360688).

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

222012532 is a wasteful number, since it uses less digits than its factorization.

222012532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6080 (or 6071 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 222012532 is about 14900.0849662007. The cubic root of 222012532 is about 605.5162881114.

Adding to 222012532 its reverse (235210222), we get a palindrome (457222754).

The spelling of 222012532 in words is "two hundred twenty-two million, twelve thousand, five hundred thirty-two".