213030422 has 24 divisors (see below), whose sum is σ = 357018816. Its totient is φ = 95238000.

The previous prime is 213030409. The next prime is 213030437. The reversal of 213030422 is 224030312.

It is a self number, because there is not a number n which added to its sum of digits gives 213030422.

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 11 ways as a sum of consecutive naturals, for example, 7547 + ... + 21977.

It is an arithmetic number, because the mean of its divisors is an integer number (14875784).

Almost surely, 2^213030422 is an apocalyptic number.

213030422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

213030422 is a deficient number, since it is larger than the sum of its proper divisors (143988394).

213030422 is a wasteful number, since it uses less digits than its factorization.

213030422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14516 (or 14505 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 213030422 is about 14595.5617226608. The cubic root of 213030422 is about 597.2376930237.

Adding to 213030422 its reverse (224030312), we get a palindrome (437060734).

The spelling of 213030422 in words is "two hundred thirteen million, thirty thousand, four hundred twenty-two".