722206899 has 12 divisors (see below), whose sum is σ = 1044793776. Its totient is φ = 480730032.

The previous prime is 722206873. The next prime is 722206921. The reversal of 722206899 is 998602227.

It is not a de Polignac number, because 722206899 - 2⁵ = 722206867 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (722206819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55567 + ... + 67320.

It is an arithmetic number, because the mean of its divisors is an integer number (87066148).

Almost surely, 2^722206899 is an apocalyptic number.

722206899 is a deficient number, since it is larger than the sum of its proper divisors (322586877).

722206899 is a wasteful number, since it uses less digits than its factorization.

722206899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123546 (or 123543 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 722206899 is about 26873.9074010461. The cubic root of 722206899 is about 897.1957567264.

The spelling of 722206899 in words is "seven hundred twenty-two million, two hundred six thousand, eight hundred ninety-nine".