722141280 has 288 divisors, whose sum is σ = 2908459008. Its totient is φ = 159667200.

The previous prime is 722141263. The next prime is 722141309. The reversal of 722141280 is 82141227.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 311325 + ... + 313635.

It is an arithmetic number, because the mean of its divisors is an integer number (10098816).

Almost surely, 2^722141280 is an apocalyptic number.

722141280 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722141280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1454229504).

722141280 is an abundant number, since it is smaller than the sum of its proper divisors (2186317728).

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

722141280 is a wasteful number, since it uses less digits than its factorization.

722141280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370 (or 2359 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 722141280 is about 26872.6865050743. The cubic root of 722141280 is about 897.1685831322.

The spelling of 722141280 in words is "seven hundred twenty-two million, one hundred forty-one thousand, two hundred eighty".