33421234 has 64 divisors (see below), whose sum is σ = 65894400. Its totient is φ = 12594960.

The previous prime is 33421189. The next prime is 33421237. The reversal of 33421234 is 43212433.

It is a happy number.

It is a super-2 number, since 2×33421234² = 2233957764165512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33421237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324427 + ... + 324529.

It is an arithmetic number, because the mean of its divisors is an integer number (1029600).

Almost surely, 2^33421234 is an apocalyptic number.

33421234 is a deficient number, since it is larger than the sum of its proper divisors (32473166).

33421234 is a wasteful number, since it uses less digits than its factorization.

33421234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180 (or 166 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 33421234 is about 5781.1101010100. The cubic root of 33421234 is about 322.1124371048.

Adding to 33421234 its reverse (43212433), we get a palindrome (76633667).

The spelling of 33421234 in words is "thirty-three million, four hundred twenty-one thousand, two hundred thirty-four".