722260 has 72 divisors (see below), whose sum is σ = 1953504. Its totient is φ = 221760.

The previous prime is 722257. The next prime is 722273. The reversal of 722260 is 62227.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10747 + ... + 10813.

It is an arithmetic number, because the mean of its divisors is an integer number (27132).

2⁷²²²⁶⁰ is an apocalyptic number.

722260 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 722260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (976752).

722260 is an abundant number, since it is smaller than the sum of its proper divisors (1231244).

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

722260 is a wasteful number, since it uses less digits than its factorization.

722260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 722260 is about 849.8588118035. The cubic root of 722260 is about 89.7217745266.

Adding to 722260 its reverse (62227), we get a palindrome (784487).

It can be divided in two parts, 72 and 2260, that added together give a palindrome (2332).

The spelling of 722260 in words is "seven hundred twenty-two thousand, two hundred sixty".