722132153 has 4 divisors (see below), whose sum is σ = 738925968. Its totient is φ = 705338340.

The previous prime is 722132143. The next prime is 722132167. The reversal of 722132153 is 351231227.

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: 351231227 = 167 ⋅2103181.

It is a cyclic number.

It is not a de Polignac number, because 722132153 - 2¹⁰ = 722131129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (722132113) 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, 8396843 + ... + 8396928.

It is an arithmetic number, because the mean of its divisors is an integer number (184731492).

Almost surely, 2^722132153 is an apocalyptic number.

It is an amenable number.

722132153 is a deficient number, since it is larger than the sum of its proper divisors (16793815).

722132153 is a wasteful number, since it uses less digits than its factorization.

722132153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16793814.

The product of its digits is 2520, while the sum is 26.

The square root of 722132153 is about 26872.5166852679. The cubic root of 722132153 is about 897.1648034045.

The spelling of 722132153 in words is "seven hundred twenty-two million, one hundred thirty-two thousand, one hundred fifty-three".