82229776 has 20 divisors (see below), whose sum is σ = 159467472. Its totient is φ = 41076896.

The previous prime is 82229767. The next prime is 82229789. The reversal of 82229776 is 67792228.

It is a happy number.

It is a super-2 number, since 2×82229776² = 13523472122020352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25131 + ... + 28213.

Almost surely, 2^82229776 is an apocalyptic number.

It is an amenable number.

82229776 is a deficient number, since it is larger than the sum of its proper divisors (77237696).

82229776 is a wasteful number, since it uses less digits than its factorization.

82229776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758 (or 4752 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 82229776 is about 9068.0635198481. The cubic root of 82229776 is about 434.8535658961.

The spelling of 82229776 in words is "eighty-two million, two hundred twenty-nine thousand, seven hundred seventy-six".