82741228 has 6 divisors (see below), whose sum is σ = 144797156. Its totient is φ = 41370612.

The previous prime is 82741207. The next prime is 82741231. The reversal of 82741228 is 82214728.

It is a super-2 number, since 2×82741228² = 13692221621895968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82741193 and 82741202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10342650 + ... + 10342657.

Almost surely, 2^82741228 is an apocalyptic number.

It is an amenable number.

82741228 is a deficient number, since it is larger than the sum of its proper divisors (62055928).

82741228 is a wasteful number, since it uses less digits than its factorization.

82741228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20685311 (or 20685309 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 82741228 is about 9096.2205338261. The cubic root of 82741228 is about 435.7532692063.

The spelling of 82741228 in words is "eighty-two million, seven hundred forty-one thousand, two hundred twenty-eight".