722049986 has 16 divisors (see below), whose sum is σ = 1263062400. Its totient is φ = 309449700.

The previous prime is 722049983. The next prime is 722050001. The reversal of 722049986 is 689940227.

It is a self number, because there is not a number n which added to its sum of digits gives 722049986.

It is not an unprimeable number, because it can be changed into a prime (722049983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 525590 + ... + 526961.

It is an arithmetic number, because the mean of its divisors is an integer number (78941400).

Almost surely, 2^722049986 is an apocalyptic number.

722049986 is a deficient number, since it is larger than the sum of its proper divisors (541012414).

722049986 is a wasteful number, since it uses less digits than its factorization.

722049986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052574 (or 1052560 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 722049986 is about 26870.9878121367. The cubic root of 722049986 is about 897.1307744823.

The spelling of 722049986 in words is "seven hundred twenty-two million, forty-nine thousand, nine hundred eighty-six".