11222022157 has 2 divisors, whose sum is σ = 11222022158. Its totient is φ = 11222022156.

The previous prime is 11222022131. The next prime is 11222022179. The reversal of 11222022157 is 75122022211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11222012356 + 9801 = 105934^2 + 99^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222022157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222022107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611011078 + 5611011079.

It is an arithmetic number, because the mean of its divisors is an integer number (5611011079).

Almost surely, 2^11222022157 is an apocalyptic number.

It is an amenable number.

11222022157 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222022157 is an equidigital number, since it uses as much as digits as its factorization.

11222022157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 25.

Adding to 11222022157 its reverse (75122022211), we get a palindrome (86344044368).

The spelling of 11222022157 in words is "eleven billion, two hundred twenty-two million, twenty-two thousand, one hundred fifty-seven".