722019213 has 12 divisors (see below), whose sum is σ = 1045100160. Its totient is φ = 480338376.

The previous prime is 722019187. The next prime is 722019229. The reversal of 722019213 is 312910227.

It is not a de Polignac number, because 722019213 - 2¹⁰ = 722018189 is a prime.

It is a super-2 number, since 2×722019213² = 1042623487882278738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722019113) 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 11 ways as a sum of consecutive naturals, for example, 79431 + ... + 88052.

It is an arithmetic number, because the mean of its divisors is an integer number (87091680).

Almost surely, 2^722019213 is an apocalyptic number.

It is an amenable number.

722019213 is a deficient number, since it is larger than the sum of its proper divisors (323080947).

722019213 is a wasteful number, since it uses less digits than its factorization.

722019213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167968 (or 167965 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 722019213 is about 26870.4151996206. The cubic root of 722019213 is about 897.1180293825.

The spelling of 722019213 in words is "seven hundred twenty-two million, nineteen thousand, two hundred thirteen".