33222122201 has 4 divisors (see below), whose sum is σ = 33294188004. Its totient is φ = 33150056400.

The previous prime is 33222122189. The next prime is 33222122207. The reversal of 33222122201 is 10222122233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15218923225 + 18003198976 = 123365^2 + 134176^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33222122201 is a prime.

It is a super-2 number, since 2×33222122201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33222122207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36032210 + ... + 36033131.

It is an arithmetic number, because the mean of its divisors is an integer number (8323547001).

Almost surely, 2^33222122201 is an apocalyptic number.

It is an amenable number.

33222122201 is a deficient number, since it is larger than the sum of its proper divisors (72065803).

33222122201 is an equidigital number, since it uses as much as digits as its factorization.

33222122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72065802.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 33222122201 its reverse (10222122233), we get a palindrome (43444244434).

The spelling of 33222122201 in words is "thirty-three billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred one".