770224 has 60 divisors (see below), whose sum is σ = 1920016. Its totient is φ = 291456.

The previous prime is 770207. The next prime is 770227. The reversal of 770224 is 422077.

It is a junction number, because it is equal to n+sod(n) for n = 770195 and 770204.

It is not an unprimeable number, because it can be changed into a prime (770227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33477 + ... + 33499.

2⁷⁷⁰²²⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 770224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (960008).

770224 is an abundant number, since it is smaller than the sum of its proper divisors (1149792).

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

770224 is a wasteful number, since it uses less digits than its factorization.

770224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 770224 is about 877.6240653036. The cubic root of 770224 is about 91.6654515909.

The spelling of 770224 in words is "seven hundred seventy thousand, two hundred twenty-four", and thus it is an iban number.