201534422 has 8 divisors (see below), whose sum is σ = 320084136. Its totient is φ = 94839712.

The previous prime is 201534419. The next prime is 201534457. The reversal of 201534422 is 224435102.

It is a happy number.

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

It is a super-2 number, since 2×201534422² = 81232246501748168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2963708 + ... + 2963775.

It is an arithmetic number, because the mean of its divisors is an integer number (40010517).

Almost surely, 2^201534422 is an apocalyptic number.

201534422 is a deficient number, since it is larger than the sum of its proper divisors (118549714).

201534422 is a wasteful number, since it uses less digits than its factorization.

201534422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927502.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 201534422 is about 14196.2819780392. The cubic root of 201534422 is about 586.2952982124.

Adding to 201534422 its reverse (224435102), we get a palindrome (425969524).

The spelling of 201534422 in words is "two hundred one million, five hundred thirty-four thousand, four hundred twenty-two".