283221234 has 12 divisors (see below), whose sum is σ = 613646046. Its totient is φ = 94407072.

The previous prime is 283221233. The next prime is 283221247. The reversal of 283221234 is 432122382.

It can be written as a sum of positive squares in only one way, i.e., 267420609 + 15800625 = 16353^2 + 3975^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 283221198 and 283221207.

It is not an unprimeable number, because it can be changed into a prime (283221233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7867239 + ... + 7867274.

Almost surely, 2^283221234 is an apocalyptic number.

283221234 is an abundant number, since it is smaller than the sum of its proper divisors (330424812).

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

283221234 is a wasteful number, since it uses less digits than its factorization.

283221234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15734521 (or 15734518 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 283221234 is about 16829.1780547952. The cubic root of 283221234 is about 656.7124809639.

The spelling of 283221234 in words is "two hundred eighty-three million, two hundred twenty-one thousand, two hundred thirty-four".