56722 has 8 divisors (see below), whose sum is σ = 86400. Its totient is φ = 27924.

The previous prime is 56713. The next prime is 56731. The reversal of 56722 is 22765.

It is an interprime number because it is at equal distance from previous prime (56713) and next prime (56731).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 56693 and 56702.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22 + ... + 337.

It is an arithmetic number, because the mean of its divisors is an integer number (10800).

2⁵⁶⁷²² is an apocalyptic number.

56722 is a deficient number, since it is larger than the sum of its proper divisors (29678).

56722 is a wasteful number, since it uses less digits than its factorization.

56722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440.

The product of its digits is 840, while the sum is 22.

The square root of 56722 is about 238.1638091734. The cubic root of 56722 is about 38.4223430446.

The spelling of 56722 in words is "fifty-six thousand, seven hundred twenty-two".