222034021 has 4 divisors (see below), whose sum is σ = 242218944. Its totient is φ = 201849100.

The previous prime is 222034009. The next prime is 222034027. The reversal of 222034021 is 120430222.

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.

It is a cyclic number.

It is not a de Polignac number, because 222034021 - 2¹¹ = 222031973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222033986 and 222034004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222034027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10092445 + ... + 10092466.

It is an arithmetic number, because the mean of its divisors is an integer number (60554736).

Almost surely, 2^222034021 is an apocalyptic number.

It is an amenable number.

222034021 is a deficient number, since it is larger than the sum of its proper divisors (20184923).

222034021 is a wasteful number, since it uses less digits than its factorization.

222034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20184922.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222034021 is about 14900.8060520228. The cubic root of 222034021 is about 605.5358238250.

Adding to 222034021 its reverse (120430222), we get a palindrome (342464243).

The spelling of 222034021 in words is "two hundred twenty-two million, thirty-four thousand, twenty-one".