764422 has 8 divisors (see below), whose sum is σ = 1214136. Its totient is φ = 359712.

The previous prime is 764399. The next prime is 764431. The reversal of 764422 is 224467.

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

It is a nialpdrome in base 10.

It is a congruent number.

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, 11208 + ... + 11275.

It is an arithmetic number, because the mean of its divisors is an integer number (151767).

2⁷⁶⁴⁴²² is an apocalyptic number.

764422 is a deficient number, since it is larger than the sum of its proper divisors (449714).

764422 is a wasteful number, since it uses less digits than its factorization.

764422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22502.

The product of its digits is 2688, while the sum is 25.

The square root of 764422 is about 874.3123011830. The cubic root of 764422 is about 91.4347031323.

Adding to 764422 its reverse (224467), we get a palindrome (988889).

The spelling of 764422 in words is "seven hundred sixty-four thousand, four hundred twenty-two".