201222401 has 8 divisors (see below), whose sum is σ = 205795200. Its totient is φ = 196700400.

The previous prime is 201222337. The next prime is 201222409. The reversal of 201222401 is 104222102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201222401 - 2⁶ = 201222337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201222409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4631 + ... + 20588.

It is an arithmetic number, because the mean of its divisors is an integer number (25724400).

Almost surely, 2^201222401 is an apocalyptic number.

It is an amenable number.

201222401 is a deficient number, since it is larger than the sum of its proper divisors (4572799).

201222401 is a wasteful number, since it uses less digits than its factorization.

201222401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25399.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 201222401 is about 14185.2881888244. The cubic root of 201222401 is about 585.9925692232.

Adding to 201222401 its reverse (104222102), we get a palindrome (305444503).

The spelling of 201222401 in words is "two hundred one million, two hundred twenty-two thousand, four hundred one".