252210543422 has 4 divisors (see below), whose sum is σ = 378315815136. Its totient is φ = 126105271710.

The previous prime is 252210543391. The next prime is 252210543427. The reversal of 252210543422 is 224345012252.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×252210543422² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252210543427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63052635854 + ... + 63052635857.

It is an arithmetic number, because the mean of its divisors is an integer number (94578953784).

Almost surely, 2^252210543422 is an apocalyptic number.

252210543422 is a deficient number, since it is larger than the sum of its proper divisors (126105271714).

252210543422 is a wasteful number, since it uses less digits than its factorization.

252210543422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126105271713.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 252210543422 its reverse (224345012252), we get a palindrome (476555555674).

The spelling of 252210543422 in words is "two hundred fifty-two billion, two hundred ten million, five hundred forty-three thousand, four hundred twenty-two".