628265322 has 28 divisors (see below), whose sum is σ = 1412953890. Its totient is φ = 209421288.

The previous prime is 628265321. The next prime is 628265327. The reversal of 628265322 is 223562826.

628265322 is a `hidden beast` number, since 628 + 2 + 6 + 5 + 3 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 428862681 + 199402641 = 20709^2 + 14121^2 .

It is not an unprimeable number, because it can be changed into a prime (628265321) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 213997 + ... + 216912.

Almost surely, 2^628265322 is an apocalyptic number.

628265322 is an abundant number, since it is smaller than the sum of its proper divisors (784688568).

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

628265322 is an equidigital number, since it uses as much as digits as its factorization.

628265322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430929 (or 430914 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 628265322 is about 25065.2213634749. The cubic root of 628265322 is about 856.4743536844.

The spelling of 628265322 in words is "six hundred twenty-eight million, two hundred sixty-five thousand, three hundred twenty-two".