33197420 has 24 divisors (see below), whose sum is σ = 70860048. Its totient is φ = 13060800.

The previous prime is 33197371. The next prime is 33197453. The reversal of 33197420 is 2479133.

It is a super-2 number, since 2×33197420² = 2204137389312800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

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, 12386 + ... + 14825.

It is an arithmetic number, because the mean of its divisors is an integer number (2952502).

Almost surely, 2^33197420 is an apocalyptic number.

It is an amenable number.

33197420 is an abundant number, since it is smaller than the sum of its proper divisors (37662628).

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

33197420 is a wasteful number, since it uses less digits than its factorization.

33197420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27281 (or 27279 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 33197420 is about 5761.7202292371. The cubic root of 33197420 is about 321.3917894184.

The spelling of 33197420 in words is "thirty-three million, one hundred ninety-seven thousand, four hundred twenty".