722147552 has 24 divisors (see below), whose sum is σ = 1624832496. Its totient is φ = 309491712.

The previous prime is 722147549. The next prime is 722147557. The reversal of 722147552 is 255741227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722147557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611713 + ... + 1612160.

It is an arithmetic number, because the mean of its divisors is an integer number (67701354).

Almost surely, 2^722147552 is an apocalyptic number.

It is an amenable number.

722147552 is an abundant number, since it is smaller than the sum of its proper divisors (902684944).

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

722147552 is a wasteful number, since it uses less digits than its factorization.

722147552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223890 (or 3223882 counting only the distinct ones).

The product of its digits is 39200, while the sum is 35.

The square root of 722147552 is about 26872.8032032388. The cubic root of 722147552 is about 897.1711805118.

Adding to 722147552 its reverse (255741227), we get a palindrome (977888779).

The spelling of 722147552 in words is "seven hundred twenty-two million, one hundred forty-seven thousand, five hundred fifty-two".