722544061630 has 32 divisors (see below), whose sum is σ = 1346997263040. Its totient is φ = 278725789440.

The previous prime is 722544061627. The next prime is 722544061633. The reversal of 722544061630 is 36160445227.

It is an interprime number because it is at equal distance from previous prime (722544061627) and next prime (722544061633).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722544061633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205106 + ... + 1702165.

It is an arithmetic number, because the mean of its divisors is an integer number (42093664470).

Almost surely, 2^722544061630 is an apocalyptic number.

722544061630 is a deficient number, since it is larger than the sum of its proper divisors (624453201410).

722544061630 is a wasteful number, since it uses less digits than its factorization.

722544061630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908164.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 722544061630 in words is "seven hundred twenty-two billion, five hundred forty-four million, sixty-one thousand, six hundred thirty".