222011352 has 48 divisors (see below), whose sum is σ = 632931000. Its totient is φ = 70108416.

The previous prime is 222011291. The next prime is 222011353. The reversal of 222011352 is 253110222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79777 + ... + 82512.

Almost surely, 2^222011352 is an apocalyptic number.

It is an amenable number.

222011352 is an abundant number, since it is smaller than the sum of its proper divisors (410919648).

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

222011352 is a wasteful number, since it uses less digits than its factorization.

222011352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162320 (or 162313 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 222011352 is about 14900.0453690584. The cubic root of 222011352 is about 605.5152153334.

Adding to 222011352 its reverse (253110222), we get a palindrome (475121574).

The spelling of 222011352 in words is "two hundred twenty-two million, eleven thousand, three hundred fifty-two".