722150687 has 2 divisors, whose sum is σ = 722150688. Its totient is φ = 722150686.

The previous prime is 722150669. The next prime is 722150747. The reversal of 722150687 is 786051227.

722150687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722150687 - 2⁶ = 722150623 is a prime.

It is a super-2 number, since 2×722150687² = 1043003229469143938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 722150687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (722150887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361075343 + 361075344.

It is an arithmetic number, because the mean of its divisors is an integer number (361075344).

Almost surely, 2^722150687 is an apocalyptic number.

722150687 is a deficient number, since it is larger than the sum of its proper divisors (1).

722150687 is an equidigital number, since it uses as much as digits as its factorization.

722150687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 722150687 is about 26872.8615335249. The cubic root of 722150687 is about 897.1724787818.

The spelling of 722150687 in words is "seven hundred twenty-two million, one hundred fifty thousand, six hundred eighty-seven".