722302474 has 4 divisors (see below), whose sum is σ = 1083453714. Its totient is φ = 361151236.

The previous prime is 722302463. The next prime is 722302489. The reversal of 722302474 is 474203227.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 474203227 = 227 ⋅2089001.

It can be written as a sum of positive squares in only one way, i.e., 513702225 + 208600249 = 22665^2 + 14443^2 .

It is a Smith number, since the sum of its digits (31) 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 as a sum of consecutive naturals, namely, 180575617 + ... + 180575620.

Almost surely, 2^722302474 is an apocalyptic number.

722302474 is a deficient number, since it is larger than the sum of its proper divisors (361151240).

722302474 is a wasteful number, since it uses less digits than its factorization.

722302474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361151239.

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 722302474 is about 26875.6855540468. The cubic root of 722302474 is about 897.2353325055.

The spelling of 722302474 in words is "seven hundred twenty-two million, three hundred two thousand, four hundred seventy-four".