82272254 has 4 divisors (see below), whose sum is σ = 123408384. Its totient is φ = 41136126.

The previous prime is 82272221. The next prime is 82272313. The reversal of 82272254 is 45227228.

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

It is a self number, because there is not a number n which added to its sum of digits gives 82272254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20568062 + ... + 20568065.

It is an arithmetic number, because the mean of its divisors is an integer number (30852096).

Almost surely, 2^82272254 is an apocalyptic number.

82272254 is a deficient number, since it is larger than the sum of its proper divisors (41136130).

82272254 is a wasteful number, since it uses less digits than its factorization.

82272254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41136129.

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

The square root of 82272254 is about 9070.4053933658. The cubic root of 82272254 is about 434.9284314371.

The spelling of 82272254 in words is "eighty-two million, two hundred seventy-two thousand, two hundred fifty-four".