722096157 has 4 divisors (see below), whose sum is σ = 962794880. Its totient is φ = 481397436.

The previous prime is 722096153. The next prime is 722096173. The reversal of 722096157 is 751690227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751690227 = 3 ⋅250563409.

It is not a de Polignac number, because 722096157 - 2² = 722096153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722096153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120349357 + ... + 120349362.

It is an arithmetic number, because the mean of its divisors is an integer number (240698720).

Almost surely, 2^722096157 is an apocalyptic number.

It is an amenable number.

722096157 is a deficient number, since it is larger than the sum of its proper divisors (240698723).

722096157 is a wasteful number, since it uses less digits than its factorization.

722096157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240698722.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 722096157 is about 26871.8469220111. The cubic root of 722096157 is about 897.1498962158.

The spelling of 722096157 in words is "seven hundred twenty-two million, ninety-six thousand, one hundred fifty-seven".