33422011 has 16 divisors (see below), whose sum is σ = 39549888. Its totient is φ = 27648000.

The previous prime is 33421987. The next prime is 33422021. The reversal of 33422011 is 11022433.

It is a happy number.

It is a 13-Lehmer number, since φ(33422011) divides (33422011-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 33422011 - 2⁵ = 33421979 is a prime.

It is a super-2 number, since 2×33422011² = 2234061638568242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33422021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28411 + ... + 29563.

It is an arithmetic number, because the mean of its divisors is an integer number (2471868).

Almost surely, 2^33422011 is an apocalyptic number.

33422011 is a deficient number, since it is larger than the sum of its proper divisors (6127877).

33422011 is a wasteful number, since it uses less digits than its factorization.

33422011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 33422011 is about 5781.1773022456. The cubic root of 33422011 is about 322.1149333164.

Adding to 33422011 its reverse (11022433), we get a palindrome (44444444).

The spelling of 33422011 in words is "thirty-three million, four hundred twenty-two thousand, eleven".