222011252 has 12 divisors (see below), whose sum is σ = 389241636. Its totient is φ = 110799360.

The previous prime is 222011201. The next prime is 222011261. The reversal of 222011252 is 252110222.

222011252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 138909796 + 83101456 = 11786^2 + 9116^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222011252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49133 + ... + 53460.

It is an arithmetic number, because the mean of its divisors is an integer number (32436803).

Almost surely, 2^222011252 is an apocalyptic number.

It is an amenable number.

222011252 is a deficient number, since it is larger than the sum of its proper divisors (167230384).

222011252 is a wasteful number, since it uses less digits than its factorization.

222011252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103138 (or 103136 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 222011252 is about 14900.0420133636. The cubic root of 222011252 is about 605.5151244198.

Adding to 222011252 its reverse (252110222), we get a palindrome (474121474).

The spelling of 222011252 in words is "two hundred twenty-two million, eleven thousand, two hundred fifty-two".