722241566 has 16 divisors (see below), whose sum is σ = 1207463760. Its totient is φ = 321989760.

The previous prime is 722241563. The next prime is 722241659. The reversal of 722241566 is 665142227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722241563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558365 + ... + 559656.

It is an arithmetic number, because the mean of its divisors is an integer number (75466485).

Almost surely, 2^722241566 is an apocalyptic number.

722241566 is a deficient number, since it is larger than the sum of its proper divisors (485222194).

722241566 is a wasteful number, since it uses less digits than its factorization.

722241566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118059.

The product of its digits is 40320, while the sum is 35.

The square root of 722241566 is about 26874.5523869701. The cubic root of 722241566 is about 897.2101120714.

The spelling of 722241566 in words is "seven hundred twenty-two million, two hundred forty-one thousand, five hundred sixty-six".