152222657 has 2 divisors, whose sum is σ = 152222658. Its totient is φ = 152222656.

The previous prime is 152222621. The next prime is 152222659. The reversal of 152222657 is 756222251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138391696 + 13830961 = 11764^2 + 3719^2 .

It is an emirp because it is prime and its reverse (756222251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152222657 - 2¹⁸ = 151960513 is a prime.

Together with 152222659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (152222659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76111328 + 76111329.

It is an arithmetic number, because the mean of its divisors is an integer number (76111329).

Almost surely, 2^152222657 is an apocalyptic number.

It is an amenable number.

152222657 is a deficient number, since it is larger than the sum of its proper divisors (1).

152222657 is an equidigital number, since it uses as much as digits as its factorization.

152222657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 32.

The square root of 152222657 is about 12337.8546352273. The cubic root of 152222657 is about 533.9407895839.

The spelling of 152222657 in words is "one hundred fifty-two million, two hundred twenty-two thousand, six hundred fifty-seven".