33022420 has 24 divisors (see below), whose sum is σ = 69457248. Its totient is φ = 13188000.

The previous prime is 33022417. The next prime is 33022433. The reversal of 33022420 is 2422033.

It is a junction number, because it is equal to n+sod(n) for n = 33022394 and 33022403.

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, 20235 + ... + 21805.

It is an arithmetic number, because the mean of its divisors is an integer number (2894052).

Almost surely, 2^33022420 is an apocalyptic number.

It is an amenable number.

33022420 is an abundant number, since it is smaller than the sum of its proper divisors (36434828).

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

33022420 is a wasteful number, since it uses less digits than its factorization.

33022420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631 (or 2629 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 33022420 is about 5746.5137257297. The cubic root of 33022420 is about 320.8260558684.

Adding to 33022420 its reverse (2422033), we get a palindrome (35444453).

The spelling of 33022420 in words is "thirty-three million, twenty-two thousand, four hundred twenty".