201432222 has 12 divisors (see below), whose sum is σ = 436436520. Its totient is φ = 67144068.

The previous prime is 201432199. The next prime is 201432233. The reversal of 201432222 is 222234102.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11190679 = 201432222 / (2 + 0 + 1 + 4 + 3 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 201432195 and 201432204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5595322 + ... + 5595357.

It is an arithmetic number, because the mean of its divisors is an integer number (36369710).

Almost surely, 2^201432222 is an apocalyptic number.

201432222 is an abundant number, since it is smaller than the sum of its proper divisors (235004298).

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

201432222 is a wasteful number, since it uses less digits than its factorization.

201432222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11190687 (or 11190684 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 201432222 is about 14192.6819875596. The cubic root of 201432222 is about 586.1961761695.

Adding to 201432222 its reverse (222234102), we get a palindrome (423666324).

The spelling of 201432222 in words is "two hundred one million, four hundred thirty-two thousand, two hundred twenty-two".