83732228 has 6 divisors (see below), whose sum is σ = 146531406. Its totient is φ = 41866112.

The previous prime is 83732227. The next prime is 83732237. The reversal of 83732228 is 82223738.

It can be written as a sum of positive squares in only one way, i.e., 74684164 + 9048064 = 8642^2 + 3008^2 .

It is a super-2 number, since 2×83732228² = 14022172011687968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (83732227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10466525 + ... + 10466532.

It is an arithmetic number, because the mean of its divisors is an integer number (24421901).

Almost surely, 2^83732228 is an apocalyptic number.

It is an amenable number.

83732228 is a deficient number, since it is larger than the sum of its proper divisors (62799178).

83732228 is a wasteful number, since it uses less digits than its factorization.

83732228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20933061 (or 20933059 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 83732228 is about 9150.5315692587. The cubic root of 83732228 is about 437.4860564808.

It can be divided in two parts, 8373 and 2228, that added together give a palindrome (10601).

The spelling of 83732228 in words is "eighty-three million, seven hundred thirty-two thousand, two hundred twenty-eight".