222102001 has 12 divisors (see below), whose sum is σ = 255721104. Its totient is φ = 191280600.

The previous prime is 222101977. The next prime is 222102031. The reversal of 222102001 is 100201222.

222102001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222102001 - 2⁹ = 222101489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222102031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23995 + ... + 31936.

It is an arithmetic number, because the mean of its divisors is an integer number (21310092).

Almost surely, 2^222102001 is an apocalyptic number.

It is an amenable number.

222102001 is a deficient number, since it is larger than the sum of its proper divisors (33619103).

222102001 is a wasteful number, since it uses less digits than its factorization.

222102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55980 (or 55961 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 222102001 is about 14903.0869621029. The cubic root of 222102001 is about 605.5976163448.

Adding to 222102001 its reverse (100201222), we get a palindrome (322303223).

The spelling of 222102001 in words is "two hundred twenty-two million, one hundred two thousand, one".