201440422 has 8 divisors (see below), whose sum is σ = 307114272. Its totient is φ = 99069000.

The previous prime is 201440389. The next prime is 201440443. The reversal of 201440422 is 224044102.

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

It is a self number, because there is not a number n which added to its sum of digits gives 201440422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825454 + ... + 825697.

It is an arithmetic number, because the mean of its divisors is an integer number (38389284).

Almost surely, 2^201440422 is an apocalyptic number.

201440422 is a deficient number, since it is larger than the sum of its proper divisors (105673850).

201440422 is a wasteful number, since it uses less digits than its factorization.

201440422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651214.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 201440422 is about 14192.9708658899. The cubic root of 201440422 is about 586.2041304470.

Adding to 201440422 its reverse (224044102), we get a palindrome (425484524).

It can be divided in two parts, 2014 and 40422, that added together give a square (42436 = 206²).

The spelling of 201440422 in words is "two hundred one million, four hundred forty thousand, four hundred twenty-two".