32226140 has 12 divisors (see below), whose sum is σ = 67674936. Its totient is φ = 12890448.

The previous prime is 32226133. The next prime is 32226193. The reversal of 32226140 is 4162223.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1611307 = 32226140 / (3 + 2 + 2 + 2 + 6 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 805634 + ... + 805673.

It is an arithmetic number, because the mean of its divisors is an integer number (5639578).

Almost surely, 2^32226140 is an apocalyptic number.

It is an amenable number.

32226140 is an abundant number, since it is smaller than the sum of its proper divisors (35448796).

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

32226140 is a wasteful number, since it uses less digits than its factorization.

32226140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611316 (or 1611314 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 32226140 is about 5676.8072012356. The cubic root of 32226140 is about 318.2263199104.

Adding to 32226140 its reverse (4162223), we get a palindrome (36388363).

It can be divided in two parts, 322 and 26140, that added together give a palindrome (26462).

The spelling of 32226140 in words is "thirty-two million, two hundred twenty-six thousand, one hundred forty".