722022 has 16 divisors (see below), whose sum is σ = 1650432. Its totient is φ = 206280.

The previous prime is 722011. The next prime is 722023. The reversal of 722022 is 220227.

It is a junction number, because it is equal to n+sod(n) for n = 721992 and 722010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722023) by changing a digit.

722022 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, 8554 + ... + 8637.

It is an arithmetic number, because the mean of its divisors is an integer number (103152).

2⁷²²⁰²² is an apocalyptic number.

722022 is an abundant number, since it is smaller than the sum of its proper divisors (928410).

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

722022 is a wasteful number, since it uses less digits than its factorization.

722022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17203.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 722022 is about 849.7187770080. The cubic root of 722022 is about 89.7119183675.

Adding to 722022 its reverse (220227), we get a palindrome (942249).

The spelling of 722022 in words is "seven hundred twenty-two thousand, twenty-two", and thus it is an iban number.