1252222351 has 2 divisors, whose sum is σ = 1252222352. Its totient is φ = 1252222350.

The previous prime is 1252222343. The next prime is 1252222357. The reversal of 1252222351 is 1532222521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252222351 - 2³ = 1252222343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252222357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626111175 + 626111176.

It is an arithmetic number, because the mean of its divisors is an integer number (626111176).

Almost surely, 2^1252222351 is an apocalyptic number.

1252222351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252222351 is an equidigital number, since it uses as much as digits as its factorization.

1252222351 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 25.

The square root of 1252222351 is about 35386.7538918166. The cubic root of 1252222351 is about 1077.8553550750.

Adding to 1252222351 its reverse (1532222521), we get a palindrome (2784444872).

The spelling of 1252222351 in words is "one billion, two hundred fifty-two million, two hundred twenty-two thousand, three hundred fifty-one".