764222 has 8 divisors (see below), whose sum is σ = 1155000. Its totient is φ = 379224.

The previous prime is 764209. The next prime is 764233. The reversal of 764222 is 222467.

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, 1097 + ... + 1652.

It is an arithmetic number, because the mean of its divisors is an integer number (144375).

2⁷⁶⁴²²² is an apocalyptic number.

764222 is a deficient number, since it is larger than the sum of its proper divisors (390778).

764222 is a wasteful number, since it uses less digits than its factorization.

764222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890.

The product of its digits is 1344, while the sum is 23.

The square root of 764222 is about 874.1979180941. The cubic root of 764222 is about 91.4267282460.

Adding to 764222 its reverse (222467), we get a palindrome (986689).

The spelling of 764222 in words is "seven hundred sixty-four thousand, two hundred twenty-two".