33421450 has 24 divisors (see below), whose sum is σ = 62754912. Its totient is φ = 13241520.

The previous prime is 33421433. The next prime is 33421457. The reversal of 33421450 is 5412433.

It is a super-2 number, since 2×33421450² = 2233986640205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33421457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2227 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (2614788).

Almost surely, 2^33421450 is an apocalyptic number.

33421450 is a deficient number, since it is larger than the sum of its proper divisors (29333462).

33421450 is a wasteful number, since it uses less digits than its factorization.

33421450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366 (or 6361 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 33421450 is about 5781.1287825130. The cubic root of 33421450 is about 322.1131310362.

Adding to 33421450 its reverse (5412433), we get a palindrome (38833883).

The spelling of 33421450 in words is "thirty-three million, four hundred twenty-one thousand, four hundred fifty".