2222500157 has 2 divisors, whose sum is σ = 2222500158. Its totient is φ = 2222500156.

The previous prime is 2222500153. The next prime is 2222500177. The reversal of 2222500157 is 7510052222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022390841 + 200109316 = 44971^2 + 14146^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222500157 - 2² = 2222500153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222500153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111250078 + 1111250079.

It is an arithmetic number, because the mean of its divisors is an integer number (1111250079).

Almost surely, 2^2222500157 is an apocalyptic number.

It is an amenable number.

2222500157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222500157 is an equidigital number, since it uses as much as digits as its factorization.

2222500157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 2222500157 is about 47143.3999304250. The cubic root of 2222500157 is about 1305.0102820151.

Adding to 2222500157 its reverse (7510052222), we get a palindrome (9732552379).

The spelling of 2222500157 in words is "two billion, two hundred twenty-two million, five hundred thousand, one hundred fifty-seven".