33228460 has 24 divisors (see below), whose sum is σ = 69916896. Its totient is φ = 13265280.

The previous prime is 33228457. The next prime is 33228463. The reversal of 33228460 is 6482233.

It is an interprime number because it is at equal distance from previous prime (33228457) and next prime (33228463).

It is a super-2 number, since 2×33228460² = 2208261107943200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33228463) 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, 11304 + ... + 13936.

It is an arithmetic number, because the mean of its divisors is an integer number (2913204).

Almost surely, 2^33228460 is an apocalyptic number.

It is an amenable number.

33228460 is an abundant number, since it is smaller than the sum of its proper divisors (36688436).

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

33228460 is a wasteful number, since it uses less digits than its factorization.

33228460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273 (or 3271 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 33228460 is about 5764.4132398710. The cubic root of 33228460 is about 321.4919266532.

The spelling of 33228460 in words is "thirty-three million, two hundred twenty-eight thousand, four hundred sixty".