82440226 has 16 divisors (see below), whose sum is σ = 135256320. Its totient is φ = 37374480.

The previous prime is 82440199. The next prime is 82440227. The reversal of 82440226 is 62204428.

It is a junction number, because it is equal to n+sod(n) for n = 82440194 and 82440203.

It is not an unprimeable number, because it can be changed into a prime (82440227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4015 + ... + 13453.

It is an arithmetic number, because the mean of its divisors is an integer number (8453520).

Almost surely, 2^82440226 is an apocalyptic number.

82440226 is a deficient number, since it is larger than the sum of its proper divisors (52816094).

82440226 is a wasteful number, since it uses less digits than its factorization.

82440226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 82440226 is about 9079.6600156614. The cubic root of 82440226 is about 435.2242222734.

It can be divided in two parts, 824402 and 26, that added together give a palindrome (824428).

The spelling of 82440226 in words is "eighty-two million, four hundred forty thousand, two hundred twenty-six".