82372226 has 4 divisors (see below), whose sum is σ = 123558342. Its totient is φ = 41186112.

The previous prime is 82372189. The next prime is 82372237. The reversal of 82372226 is 62227328.

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

It can be written as a sum of positive squares in only one way, i.e., 68046001 + 14326225 = 8249^2 + 3785^2 .

It is a junction number, because it is equal to n+sod(n) for n = 82372192 and 82372201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20593055 + ... + 20593058.

Almost surely, 2^82372226 is an apocalyptic number.

82372226 is a deficient number, since it is larger than the sum of its proper divisors (41186116).

82372226 is a wasteful number, since it uses less digits than its factorization.

82372226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41186115.

The product of its digits is 16128, while the sum is 32.

The square root of 82372226 is about 9075.9146095586. The cubic root of 82372226 is about 435.1045259010.

The spelling of 82372226 in words is "eighty-two million, three hundred seventy-two thousand, two hundred twenty-six".