222100033 has 4 divisors (see below), whose sum is σ = 224256448. Its totient is φ = 219943620.

The previous prime is 222099991. The next prime is 222100037. The reversal of 222100033 is 330001222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330001222 = 2 ⋅165000611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222100033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222099986 and 222100022.

It is not an unprimeable number, because it can be changed into a prime (222100037) 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, 1078053 + ... + 1078258.

It is an arithmetic number, because the mean of its divisors is an integer number (56064112).

Almost surely, 2^222100033 is an apocalyptic number.

It is an amenable number.

222100033 is a deficient number, since it is larger than the sum of its proper divisors (2156415).

222100033 is a wasteful number, since it uses less digits than its factorization.

222100033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156414.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 222100033 is about 14903.0209353674. The cubic root of 222100033 is about 605.5958276477.

Adding to 222100033 its reverse (330001222), we get a palindrome (552101255).

The spelling of 222100033 in words is "two hundred twenty-two million, one hundred thousand, thirty-three".