722229358 has 4 divisors (see below), whose sum is σ = 1083344040. Its totient is φ = 361114678.

The previous prime is 722229341. The next prime is 722229407. The reversal of 722229358 is 853922227.

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

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 722229358.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180557338 + ... + 180557341.

It is an arithmetic number, because the mean of its divisors is an integer number (270836010).

Almost surely, 2^722229358 is an apocalyptic number.

722229358 is a deficient number, since it is larger than the sum of its proper divisors (361114682).

722229358 is a wasteful number, since it uses less digits than its factorization.

722229358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361114681.

The product of its digits is 120960, while the sum is 40.

The square root of 722229358 is about 26874.3252566460. The cubic root of 722229358 is about 897.2050568824.

The spelling of 722229358 in words is "seven hundred twenty-two million, two hundred twenty-nine thousand, three hundred fifty-eight".