2422002157 has 2 divisors, whose sum is σ = 2422002158. Its totient is φ = 2422002156.

The previous prime is 2422002101. The next prime is 2422002173. The reversal of 2422002157 is 7512002242.

2422002157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1727732356 + 694269801 = 41566^2 + 26349^2 .

It is a cyclic number.

It is not a de Polignac number, because 2422002157 - 2¹⁹ = 2421477869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2422002857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211001078 + 1211001079.

It is an arithmetic number, because the mean of its divisors is an integer number (1211001079).

Almost surely, 2^2422002157 is an apocalyptic number.

It is an amenable number.

2422002157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2422002157 is an equidigital number, since it uses as much as digits as its factorization.

2422002157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 25.

The square root of 2422002157 is about 49213.8411120286. The cubic root of 2422002157 is about 1342.9448410309.

Adding to 2422002157 its reverse (7512002242), we get a palindrome (9934004399).

The spelling of 2422002157 in words is "two billion, four hundred twenty-two million, two thousand, one hundred fifty-seven".