722152007 has 4 divisors (see below), whose sum is σ = 722539440. Its totient is φ = 721764576.

The previous prime is 722152003. The next prime is 722152009. The reversal of 722152007 is 700251227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 700251227 = 13 ⋅53865479.

It is a cyclic number.

It is not a de Polignac number, because 722152007 - 2² = 722152003 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 (722152001) 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, 190907 + ... + 194652.

It is an arithmetic number, because the mean of its divisors is an integer number (180634860).

Almost surely, 2^722152007 is an apocalyptic number.

722152007 is a deficient number, since it is larger than the sum of its proper divisors (387433).

722152007 is a wasteful number, since it uses less digits than its factorization.

722152007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387432.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 722152007 is about 26872.8860936074. The cubic root of 722152007 is about 897.1730254207.

The spelling of 722152007 in words is "seven hundred twenty-two million, one hundred fifty-two thousand, seven".