722237961 has 8 divisors (see below), whose sum is σ = 963636640. Its totient is φ = 481165632.

The previous prime is 722237917. The next prime is 722237981. The reversal of 722237961 is 169732227.

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

It is not a de Polignac number, because 722237961 - 2¹³ = 722229769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722237981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76375 + ... + 85308.

It is an arithmetic number, because the mean of its divisors is an integer number (120454580).

Almost surely, 2^722237961 is an apocalyptic number.

It is an amenable number.

722237961 is a deficient number, since it is larger than the sum of its proper divisors (241398679).

722237961 is a wasteful number, since it uses less digits than its factorization.

722237961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163175.

The product of its digits is 63504, while the sum is 39.

The square root of 722237961 is about 26874.4853160019. The cubic root of 722237961 is about 897.2086192893.

The spelling of 722237961 in words is "seven hundred twenty-two million, two hundred thirty-seven thousand, nine hundred sixty-one".