222003201 has 16 divisors (see below), whose sum is σ = 356096000. Its totient is φ = 120181968.

The previous prime is 222003179. The next prime is 222003209. The reversal of 222003201 is 102300222.

It is not a de Polignac number, because 222003201 - 2¹⁰ = 222002177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222003209) 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, 277801 + ... + 278598.

It is an arithmetic number, because the mean of its divisors is an integer number (22256000).

It is a Proth number, since it is equal to 6775 ⋅ 2¹⁵ + 1 and 6775 < 2¹⁵.

Almost surely, 2^222003201 is an apocalyptic number.

222003201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222003201 is a deficient number, since it is larger than the sum of its proper divisors (134092799).

222003201 is a wasteful number, since it uses less digits than its factorization.

222003201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556428.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 222003201 is about 14899.7718438908. The cubic root of 222003201 is about 605.5078048791.

Adding to 222003201 its reverse (102300222), we get a palindrome (324303423).

The spelling of 222003201 in words is "two hundred twenty-two million, three thousand, two hundred one".