722260378 has 32 divisors (see below), whose sum is σ = 1259406720. Its totient is φ = 304274880.

The previous prime is 722260367. The next prime is 722260391. The reversal of 722260378 is 873062227.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198100 + ... + 201712.

It is an arithmetic number, because the mean of its divisors is an integer number (39356460).

Almost surely, 2^722260378 is an apocalyptic number.

722260378 is a deficient number, since it is larger than the sum of its proper divisors (537146342).

722260378 is a wasteful number, since it uses less digits than its factorization.

722260378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3862.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 722260378 is about 26874.9023812181. The cubic root of 722260378 is about 897.2179017874.

It can be divided in two parts, 7222 and 60378, that added together give a square (67600 = 260²).

The spelling of 722260378 in words is "seven hundred twenty-two million, two hundred sixty thousand, three hundred seventy-eight".