722145351 has 8 divisors (see below), whose sum is σ = 965376000. Its totient is φ = 480172472.

The previous prime is 722145343. The next prime is 722145409. The reversal of 722145351 is 153541227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722145351 - 2³ = 722145343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722145301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 313101 + ... + 315398.

It is an arithmetic number, because the mean of its divisors is an integer number (120672000).

Almost surely, 2^722145351 is an apocalyptic number.

722145351 is a deficient number, since it is larger than the sum of its proper divisors (243230649).

722145351 is a wasteful number, since it uses less digits than its factorization.

722145351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628885.

The product of its digits is 8400, while the sum is 30.

The square root of 722145351 is about 26872.7622510229. The cubic root of 722145351 is about 897.1702690287.

Adding to 722145351 its reverse (153541227), we get a palindrome (875686578).

The spelling of 722145351 in words is "seven hundred twenty-two million, one hundred forty-five thousand, three hundred fifty-one".