722407199 has 4 divisors (see below), whose sum is σ = 733189464. Its totient is φ = 711624936.

The previous prime is 722407193. The next prime is 722407219. The reversal of 722407199 is 991704227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991704227 = 43 ⋅23062889.

It is a cyclic number.

It is not a de Polignac number, because 722407199 - 2¹⁶ = 722341663 is a prime.

It is a super-2 number, since 2×722407199² = 1043744322334051202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722407193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5391032 + ... + 5391165.

It is an arithmetic number, because the mean of its divisors is an integer number (183297366).

Almost surely, 2^722407199 is an apocalyptic number.

722407199 is a deficient number, since it is larger than the sum of its proper divisors (10782265).

722407199 is a wasteful number, since it uses less digits than its factorization.

722407199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10782264.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 722407199 is about 26877.6338058245. The cubic root of 722407199 is about 897.2786931163.

The spelling of 722407199 in words is "seven hundred twenty-two million, four hundred seven thousand, one hundred ninety-nine".