425722 has 16 divisors (see below), whose sum is σ = 716832. Its totient is φ = 187920.

The previous prime is 425713. The next prime is 425779. The reversal of 425722 is 227524.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 425693 and 425702.

It is an unprimeable number.

425722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553 + ... + 1075.

It is an arithmetic number, because the mean of its divisors is an integer number (44802).

2⁴²⁵⁷²² is an apocalyptic number.

425722 is a deficient number, since it is larger than the sum of its proper divisors (291110).

425722 is a wasteful number, since it uses less digits than its factorization.

425722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573.

The product of its digits is 1120, while the sum is 22.

The square root of 425722 is about 652.4737542614. The cubic root of 425722 is about 75.2272809197.

The spelling of 425722 in words is "four hundred twenty-five thousand, seven hundred twenty-two".