252206247522 has 32 divisors (see below), whose sum is σ = 507024144000. Its totient is φ = 83633603328.

The previous prime is 252206247521. The next prime is 252206247547. The reversal of 252206247522 is 225742602252.

It is a super-2 number, since 2×252206247522² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252206247521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11065354 + ... + 11088122.

It is an arithmetic number, because the mean of its divisors is an integer number (15844504500).

Almost surely, 2^252206247522 is an apocalyptic number.

252206247522 is an abundant number, since it is smaller than the sum of its proper divisors (254817896478).

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

252206247522 is a wasteful number, since it uses less digits than its factorization.

252206247522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32250.

The product of its (nonzero) digits is 268800, while the sum is 39.

Adding to 252206247522 its reverse (225742602252), we get a palindrome (477948849774).

The spelling of 252206247522 in words is "two hundred fifty-two billion, two hundred six million, two hundred forty-seven thousand, five hundred twenty-two".