252222053201 has 4 divisors (see below), whose sum is σ = 253828563252. Its totient is φ = 250615543152.

The previous prime is 252222053159. The next prime is 252222053261. The reversal of 252222053201 is 102350222252.

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

It can be written as a sum of positive squares in 2 ways, for example, as 103812195601 + 148409857600 = 322199^2 + 385240^2 .

It is a cyclic number.

It is not a de Polignac number, because 252222053201 - 2¹⁸ = 252221791057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252222053261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803254790 + ... + 803255103.

It is an arithmetic number, because the mean of its divisors is an integer number (63457140813).

Almost surely, 2^252222053201 is an apocalyptic number.

It is an amenable number.

252222053201 is a deficient number, since it is larger than the sum of its proper divisors (1606510051).

252222053201 is a wasteful number, since it uses less digits than its factorization.

252222053201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606510050.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 252222053201 its reverse (102350222252), we get a palindrome (354572275453).

The spelling of 252222053201 in words is "two hundred fifty-two billion, two hundred twenty-two million, fifty-three thousand, two hundred one".