4722161157 has 24 divisors (see below), whose sum is σ = 7809072960. Its totient is φ = 2693615040.

The previous prime is 4722161137. The next prime is 4722161159. The reversal of 4722161157 is 7511612274.

It is not a de Polignac number, because 4722161157 - 2¹⁴ = 4722144773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4722161159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30019 + ... + 101712.

It is an arithmetic number, because the mean of its divisors is an integer number (325378040).

Almost surely, 2^4722161157 is an apocalyptic number.

It is an amenable number.

4722161157 is a deficient number, since it is larger than the sum of its proper divisors (3086911803).

4722161157 is a wasteful number, since it uses less digits than its factorization.

4722161157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132313 (or 132310 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 4722161157 is about 68717.9827774361. The cubic root of 4722161157 is about 1677.6972841801.

The spelling of 4722161157 in words is "four billion, seven hundred twenty-two million, one hundred sixty-one thousand, one hundred fifty-seven".