722214356 has 6 divisors (see below), whose sum is σ = 1263875130. Its totient is φ = 361107176.

The previous prime is 722214307. The next prime is 722214391. The reversal of 722214356 is 653412227.

It can be written as a sum of positive squares in only one way, i.e., 714706756 + 7507600 = 26734^2 + 2740^2 .

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, 90276791 + ... + 90276798.

It is an arithmetic number, because the mean of its divisors is an integer number (210645855).

Almost surely, 2^722214356 is an apocalyptic number.

It is an amenable number.

722214356 is a deficient number, since it is larger than the sum of its proper divisors (541660774).

722214356 is a wasteful number, since it uses less digits than its factorization.

722214356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180553593 (or 180553591 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 722214356 is about 26874.0461412122. The cubic root of 722214356 is about 897.1988446530.

The spelling of 722214356 in words is "seven hundred twenty-two million, two hundred fourteen thousand, three hundred fifty-six".