82227226 has 4 divisors (see below), whose sum is σ = 123340842. Its totient is φ = 41113612.

The previous prime is 82227217. The next prime is 82227239. The reversal of 82227226 is 62272228.

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., 73530625 + 8696601 = 8575^2 + 2949^2 .

It is a super-2 number, since 2×82227226² = 13522633391310152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20556805 + ... + 20556808.

Almost surely, 2^82227226 is an apocalyptic number.

82227226 is a deficient number, since it is larger than the sum of its proper divisors (41113616).

82227226 is a wasteful number, since it uses less digits than its factorization.

82227226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41113615.

The product of its digits is 10752, while the sum is 31.

The square root of 82227226 is about 9067.9229154200. The cubic root of 82227226 is about 434.8490708170.

The spelling of 82227226 in words is "eighty-two million, two hundred twenty-seven thousand, two hundred twenty-six".