722145614 has 4 divisors (see below), whose sum is σ = 1083218424. Its totient is φ = 361072806.

The previous prime is 722145563. The next prime is 722145629. The reversal of 722145614 is 416541227.

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

It is a Curzon number.

It is a congruent number.

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, 180536402 + ... + 180536405.

It is an arithmetic number, because the mean of its divisors is an integer number (270804606).

Almost surely, 2^722145614 is an apocalyptic number.

722145614 is a deficient number, since it is larger than the sum of its proper divisors (361072810).

722145614 is a wasteful number, since it uses less digits than its factorization.

722145614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361072809.

The product of its digits is 13440, while the sum is 32.

The square root of 722145614 is about 26872.7671444531. The cubic root of 722145614 is about 897.1703779430.

The spelling of 722145614 in words is "seven hundred twenty-two million, one hundred forty-five thousand, six hundred fourteen".