33389224 has 48 divisors (see below), whose sum is σ = 72897300. Its totient is φ = 14277120.

The previous prime is 33389197. The next prime is 33389231. The reversal of 33389224 is 42298333.

It can be written as a sum of positive squares in 2 ways, for example, as 25826724 + 7562500 = 5082^2 + 2750^2 .

It is a super-2 number, since 2×33389224² = 2229680558644352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 33389224.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15442 + ... + 17470.

Almost surely, 2^33389224 is an apocalyptic number.

33389224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33389224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36448650).

33389224 is an abundant number, since it is smaller than the sum of its proper divisors (39508076).

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

33389224 is a wasteful number, since it uses less digits than its factorization.

33389224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074 (or 2059 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 33389224 is about 5778.3409383663. The cubic root of 33389224 is about 322.0095672479.

The spelling of 33389224 in words is "thirty-three million, three hundred eighty-nine thousand, two hundred twenty-four".