33424472 has 16 divisors (see below), whose sum is σ = 64832400. Its totient is φ = 16135840.

The previous prime is 33424463. The next prime is 33424483. The reversal of 33424472 is 27442433.

It is a super-2 number, since 2×33424472² = 2234390656957568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71804 + ... + 72267.

It is an arithmetic number, because the mean of its divisors is an integer number (4052025).

Almost surely, 2^33424472 is an apocalyptic number.

It is an amenable number.

33424472 is a deficient number, since it is larger than the sum of its proper divisors (31407928).

33424472 is a wasteful number, since it uses less digits than its factorization.

33424472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144106 (or 144102 counting only the distinct ones).

The product of its digits is 16128, while the sum is 29.

The square root of 33424472 is about 5781.3901442473. The cubic root of 33424472 is about 322.1228393378.

The spelling of 33424472 in words is "thirty-three million, four hundred twenty-four thousand, four hundred seventy-two".