252141226 has 16 divisors (see below), whose sum is σ = 404284608. Its totient is φ = 117647200.

The previous prime is 252141221. The next prime is 252141233. The reversal of 252141226 is 622141252.

It is a self number, because there is not a number n which added to its sum of digits gives 252141226.

It is not an unprimeable number, because it can be changed into a prime (252141221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64960 + ... + 68731.

It is an arithmetic number, because the mean of its divisors is an integer number (25267788).

Almost surely, 2^252141226 is an apocalyptic number.

252141226 is a deficient number, since it is larger than the sum of its proper divisors (152143382).

252141226 is a wasteful number, since it uses less digits than its factorization.

252141226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133757.

The product of its digits is 1920, while the sum is 25.

The square root of 252141226 is about 15878.9554442350. The cubic root of 252141226 is about 631.7539316723.

Adding to 252141226 its reverse (622141252), we get a palindrome (874282478).

The spelling of 252141226 in words is "two hundred fifty-two million, one hundred forty-one thousand, two hundred twenty-six".