772422 has 32 divisors (see below), whose sum is σ = 1804032. Its totient is φ = 215904.

The previous prime is 772403. The next prime is 772439. The reversal of 772422 is 224277.

772422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 772392 and 772401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2053 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (56376).

2⁷⁷²⁴²² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 772422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902016).

772422 is an abundant number, since it is smaller than the sum of its proper divisors (1031610).

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

772422 is a wasteful number, since it uses less digits than its factorization.

772422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412.

The product of its digits is 1568, while the sum is 24.

The square root of 772422 is about 878.8754177925. The cubic root of 772422 is about 91.7525644783.

Adding to 772422 its reverse (224277), we get a palindrome (996699).

The spelling of 772422 in words is "seven hundred seventy-two thousand, four hundred twenty-two", and thus it is an iban number.