722261460 has 48 divisors (see below), whose sum is σ = 2076996096. Its totient is φ = 187396992.

The previous prime is 722261429. The next prime is 722261461. The reversal of 722261460 is 64162227.

722261460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722261461) 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, 160452 + ... + 164891.

It is an arithmetic number, because the mean of its divisors is an integer number (43270752).

Almost surely, 2^722261460 is an apocalyptic number.

It is an amenable number.

722261460 is an abundant number, since it is smaller than the sum of its proper divisors (1354734636).

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

722261460 is a wasteful number, since it uses less digits than its factorization.

722261460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325392 (or 325390 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 722261460 is about 26874.9225115162. The cubic root of 722261460 is about 897.2183498203.

The spelling of 722261460 in words is "seven hundred twenty-two million, two hundred sixty-one thousand, four hundred sixty".