82274225 has 12 divisors (see below), whose sum is σ = 111294960. Its totient is φ = 59835600.

The previous prime is 82274207. The next prime is 82274281. The reversal of 82274225 is 52247228.

It is not a de Polignac number, because 82274225 - 2¹⁴ = 82257841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82274191 and 82274200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149315 + ... + 149864.

It is an arithmetic number, because the mean of its divisors is an integer number (9274580).

Almost surely, 2^82274225 is an apocalyptic number.

It is an amenable number.

82274225 is a deficient number, since it is larger than the sum of its proper divisors (29020735).

82274225 is a wasteful number, since it uses less digits than its factorization.

82274225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299200 (or 299195 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 82274225 is about 9070.5140427652. The cubic root of 82274225 is about 434.9319046092.

The spelling of 82274225 in words is "eighty-two million, two hundred seventy-four thousand, two hundred twenty-five".