222021201 has 16 divisors (see below), whose sum is σ = 305337600. Its totient is φ = 143394048.

The previous prime is 222021199. The next prime is 222021203. The reversal of 222021201 is 102120222.

It is an interprime number because it is at equal distance from previous prime (222021199) and next prime (222021203).

It is not a de Polignac number, because 222021201 - 2¹ = 222021199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222021203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22345 + ... + 30713.

It is an arithmetic number, because the mean of its divisors is an integer number (19083600).

Almost surely, 2^222021201 is an apocalyptic number.

It is an amenable number.

222021201 is a deficient number, since it is larger than the sum of its proper divisors (83316399).

222021201 is a wasteful number, since it uses less digits than its factorization.

222021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8648.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 222021201 is about 14900.3758677424. The cubic root of 222021201 is about 605.5241692767.

Adding to 222021201 its reverse (102120222), we get a palindrome (324141423).

It can be divided in two parts, 222021 and 201, that added together give a palindrome (222222).

The spelling of 222021201 in words is "two hundred twenty-two million, twenty-one thousand, two hundred one".