63722221340 has 24 divisors (see below), whose sum is σ = 133824201840. Its totient is φ = 25487452928.

The previous prime is 63722221309. The next prime is 63722221357. The reversal of 63722221340 is 4312222736.

It is a junction number, because it is equal to n+sod(n) for n = 63722221297 and 63722221306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319844 + ... + 479316.

It is an arithmetic number, because the mean of its divisors is an integer number (5576008410).

Almost surely, 2^63722221340 is an apocalyptic number.

It is an amenable number.

63722221340 is an abundant number, since it is smaller than the sum of its proper divisors (70101980500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63722221340 is a wasteful number, since it uses less digits than its factorization.

63722221340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179461 (or 179459 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 63722221340 in words is "sixty-three billion, seven hundred twenty-two million, two hundred twenty-one thousand, three hundred forty".