722212673 has 32 divisors (see below), whose sum is σ = 957530112. Its totient is φ = 528897600.

The previous prime is 722212651. The next prime is 722212703. The reversal of 722212673 is 376212227.

It is not a de Polignac number, because 722212673 - 2¹² = 722208577 is a prime.

It is a super-2 number, since 2×722212673² = 1043182290083609858, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (722212273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59318 + ... + 70448.

It is an arithmetic number, because the mean of its divisors is an integer number (29922816).

Almost surely, 2^722212673 is an apocalyptic number.

It is an amenable number.

722212673 is a deficient number, since it is larger than the sum of its proper divisors (235317439).

722212673 is a wasteful number, since it uses less digits than its factorization.

722212673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11205.

The product of its digits is 14112, while the sum is 32.

The square root of 722212673 is about 26874.0148284546. The cubic root of 722212673 is about 897.1981477284.

The spelling of 722212673 in words is "seven hundred twenty-two million, two hundred twelve thousand, six hundred seventy-three".