722006434 has 4 divisors (see below), whose sum is σ = 1083009654. Its totient is φ = 361003216.

The previous prime is 722006429. The next prime is 722006443. The reversal of 722006434 is 434600227.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 721191025 + 815409 = 26855^2 + 903^2 .

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 as a sum of consecutive naturals, namely, 180501607 + ... + 180501610.

Almost surely, 2^722006434 is an apocalyptic number.

722006434 is a deficient number, since it is larger than the sum of its proper divisors (361003220).

722006434 is a wasteful number, since it uses less digits than its factorization.

722006434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361003219.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 722006434 is about 26870.1774091650. The cubic root of 722006434 is about 897.1127366614.

The spelling of 722006434 in words is "seven hundred twenty-two million, six thousand, four hundred thirty-four".