213001422 has 16 divisors (see below), whose sum is σ = 426287232. Its totient is φ = 70953080.

The previous prime is 213001379. The next prime is 213001423. The reversal of 213001422 is 224100312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 20687.

It is an arithmetic number, because the mean of its divisors is an integer number (26642952).

Almost surely, 2^213001422 is an apocalyptic number.

213001422 is an abundant number, since it is smaller than the sum of its proper divisors (213285810).

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

213001422 is a wasteful number, since it uses less digits than its factorization.

213001422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23703.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 213001422 is about 14594.5682361624. The cubic root of 213001422 is about 597.2105909806.

Adding to 213001422 its reverse (224100312), we get a palindrome (437101734).

It can be divided in two parts, 21300 and 1422, that added together give a palindrome (22722).

The spelling of 213001422 in words is "two hundred thirteen million, one thousand, four hundred twenty-two".