252212202 has 96 divisors (see below), whose sum is σ = 618883200. Its totient is φ = 73560960.

The previous prime is 252212201. The next prime is 252212237. The reversal of 252212202 is 202212252.

252212202 is a `hidden beast` number, since 252 + 212 + 202 = 666.

It is a super-2 number, since 2×252212202² = 127221989675377608, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (252212201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1267299 + ... + 1267497.

It is an arithmetic number, because the mean of its divisors is an integer number (6446700).

Almost surely, 2^252212202 is an apocalyptic number.

252212202 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 252212202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309441600).

252212202 is an abundant number, since it is smaller than the sum of its proper divisors (366670998).

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

252212202 is a wasteful number, since it uses less digits than its factorization.

252212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 252212202 is about 15881.1901946926. The cubic root of 252212202 is about 631.8132042224.

Adding to 252212202 its reverse (202212252), we get a palindrome (454424454).

The spelling of 252212202 in words is "two hundred fifty-two million, two hundred twelve thousand, two hundred two".