33221922 has 16 divisors (see below), whose sum is σ = 66567072. Its totient is φ = 11053440.

The previous prime is 33221891. The next prime is 33221957. The reversal of 33221922 is 22912233.

It is a super-2 number, since 2×33221922² = 2207392202748168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33221892 and 33221901.

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, 1423 + ... + 8274.

It is an arithmetic number, because the mean of its divisors is an integer number (4160442).

Almost surely, 2^33221922 is an apocalyptic number.

33221922 is an abundant number, since it is smaller than the sum of its proper divisors (33345150).

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

33221922 is a wasteful number, since it uses less digits than its factorization.

33221922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273.

The product of its digits is 1296, while the sum is 24.

The square root of 33221922 is about 5763.8461117556. The cubic root of 33221922 is about 321.4708397888.

It can be divided in two parts, 33221 and 922, that added together give a palindrome (34143).

The spelling of 33221922 in words is "thirty-three million, two hundred twenty-one thousand, nine hundred twenty-two".