252224302 has 16 divisors (see below), whose sum is σ = 430676352. Its totient is φ = 109662520.

The previous prime is 252224299. The next prime is 252224303. The reversal of 252224302 is 203422252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252224303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248728 + ... + 249739.

It is an arithmetic number, because the mean of its divisors is an integer number (26917272).

Almost surely, 2^252224302 is an apocalyptic number.

252224302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

252224302 is a deficient number, since it is larger than the sum of its proper divisors (178452050).

252224302 is a wasteful number, since it uses less digits than its factorization.

252224302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498503.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 252224302 is about 15881.5711439391. The cubic root of 252224302 is about 631.8233079069.

Adding to 252224302 its reverse (203422252), we get a palindrome (455646554).

The spelling of 252224302 in words is "two hundred fifty-two million, two hundred twenty-four thousand, three hundred two".