283221226 has 4 divisors (see below), whose sum is σ = 424831842. Its totient is φ = 141610612.

The previous prime is 283221217. The next prime is 283221233. The reversal of 283221226 is 622122382.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 163865601 + 119355625 = 12801^2 + 10925^2 .

It is a junction number, because it is equal to n+sod(n) for n = 283221194 and 283221203.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70805305 + ... + 70805308.

Almost surely, 2^283221226 is an apocalyptic number.

283221226 is a deficient number, since it is larger than the sum of its proper divisors (141610616).

283221226 is a wasteful number, since it uses less digits than its factorization.

283221226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141610615.

The product of its digits is 4608, while the sum is 28.

The square root of 283221226 is about 16829.1778171128. The cubic root of 283221226 is about 656.7124747806.

The spelling of 283221226 in words is "two hundred eighty-three million, two hundred twenty-one thousand, two hundred twenty-six".