32228226 has 32 divisors (see below), whose sum is σ = 75833280. Its totient is φ = 10110528.

The previous prime is 32228213. The next prime is 32228233. The reversal of 32228226 is 62282223.

It is a happy number.

It is a super-2 number, since 2×32228226² = 2077317102214152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 32228226.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16636 + ... + 18471.

It is an arithmetic number, because the mean of its divisors is an integer number (2369790).

Almost surely, 2^32228226 is an apocalyptic number.

32228226 is an abundant number, since it is smaller than the sum of its proper divisors (43605054).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32228226 is a wasteful number, since it uses less digits than its factorization.

32228226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35135 (or 35129 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 32228226 is about 5676.9909283000. The cubic root of 32228226 is about 318.2331860319.

The spelling of 32228226 in words is "thirty-two million, two hundred twenty-eight thousand, two hundred twenty-six".