33223988 has 24 divisors (see below), whose sum is σ = 66579072. Its totient is φ = 14210784.

The previous prime is 33223969. The next prime is 33223997. The reversal of 33223988 is 88932233.

It is a super-2 number, since 2×33223988² = 2207666757248288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20006 + ... + 21602.

It is an arithmetic number, because the mean of its divisors is an integer number (2774128).

Almost surely, 2^33223988 is an apocalyptic number.

It is an amenable number.

33223988 is an abundant number, since it is smaller than the sum of its proper divisors (33355084).

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

33223988 is a wasteful number, since it uses less digits than its factorization.

33223988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351 (or 2349 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 33223988 is about 5764.0253295765. The cubic root of 33223988 is about 321.4775035111.

The spelling of 33223988 in words is "thirty-three million, two hundred twenty-three thousand, nine hundred eighty-eight".