33122001 has 48 divisors (see below), whose sum is σ = 53756928. Its totient is φ = 17952000.

The previous prime is 33121969. The next prime is 33122003. The reversal of 33122001 is 10022133.

It is a happy number.

It is not a de Polignac number, because 33122001 - 2⁵ = 33121969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33122003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219276 + ... + 219426.

It is an arithmetic number, because the mean of its divisors is an integer number (1119936).

Almost surely, 2^33122001 is an apocalyptic number.

It is an amenable number.

33122001 is a deficient number, since it is larger than the sum of its proper divisors (20634927).

33122001 is a wasteful number, since it uses less digits than its factorization.

33122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 33122001 is about 5755.1716742422. The cubic root of 33122001 is about 321.1482220341.

Adding to 33122001 its reverse (10022133), we get a palindrome (43144134).

The spelling of 33122001 in words is "thirty-three million, one hundred twenty-two thousand, one".