201222402 has 16 divisors (see below), whose sum is σ = 402893760. Its totient is φ = 66999312.

The previous prime is 201222337. The next prime is 201222409. The reversal of 201222402 is 204222102.

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, 12733 + ... + 23760.

It is an arithmetic number, because the mean of its divisors is an integer number (25180860).

Almost surely, 2^201222402 is an apocalyptic number.

201222402 is an abundant number, since it is smaller than the sum of its proper divisors (201671358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201222402 is a wasteful number, since it uses less digits than its factorization.

201222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37417.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 201222402 is about 14185.2882240721. The cubic root of 201222402 is about 585.9925701939.

Adding to 201222402 its reverse (204222102), we get a palindrome (405444504).

The spelling of 201222402 in words is "two hundred one million, two hundred twenty-two thousand, four hundred two".