201830422 has 16 divisors (see below), whose sum is σ = 310195872. Its totient is φ = 98461440.

The previous prime is 201830411. The next prime is 201830423. The reversal of 201830422 is 224038102.

It is a junction number, because it is equal to n+sod(n) for n = 201830393 and 201830402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201830423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6448 + ... + 21100.

It is an arithmetic number, because the mean of its divisors is an integer number (19387242).

Almost surely, 2^201830422 is an apocalyptic number.

201830422 is a deficient number, since it is larger than the sum of its proper divisors (108365450).

201830422 is a wasteful number, since it uses less digits than its factorization.

201830422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14823.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 201830422 is about 14206.7034177532. The cubic root of 201830422 is about 586.5821946359.

Adding to 201830422 its reverse (224038102), we get a palindrome (425868524).

The spelling of 201830422 in words is "two hundred one million, eight hundred thirty thousand, four hundred twenty-two".