722151650 has 48 divisors (see below), whose sum is σ = 1486029888. Its totient is φ = 258888000.

The previous prime is 722151629. The next prime is 722151671. The reversal of 722151650 is 56151227.

It is an interprime number because it is at equal distance from previous prime (722151629) and next prime (722151671).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 29804 + ... + 48296.

It is an arithmetic number, because the mean of its divisors is an integer number (30958956).

Almost surely, 2^722151650 is an apocalyptic number.

722151650 is an abundant number, since it is smaller than the sum of its proper divisors (763878238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722151650 is a wasteful number, since it uses less digits than its factorization.

722151650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18587 (or 18582 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 722151650 is about 26872.8794512237. The cubic root of 722151650 is about 897.1728775798.

The spelling of 722151650 in words is "seven hundred twenty-two million, one hundred fifty-one thousand, six hundred fifty".