82874229 has 4 divisors (see below), whose sum is σ = 110498976. Its totient is φ = 55249484.

The previous prime is 82874227. The next prime is 82874273. The reversal of 82874229 is 92247828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82874229 - 2¹ = 82874227 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82874227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13812369 + ... + 13812374.

It is an arithmetic number, because the mean of its divisors is an integer number (27624744).

Almost surely, 2^82874229 is an apocalyptic number.

It is an amenable number.

82874229 is a deficient number, since it is larger than the sum of its proper divisors (27624747).

82874229 is a wasteful number, since it uses less digits than its factorization.

82874229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27624746.

The product of its digits is 129024, while the sum is 42.

The square root of 82874229 is about 9103.5283818968. The cubic root of 82874229 is about 435.9866256454.

It can be divided in two parts, 828 and 74229, that added together give a palindrome (75057).

The spelling of 82874229 in words is "eighty-two million, eight hundred seventy-four thousand, two hundred twenty-nine".