213422422 has 16 divisors (see below), whose sum is σ = 323682480. Its totient is φ = 105532672.

The previous prime is 213422413. The next prime is 213422431. The reversal of 213422422 is 224224312.

It is an interprime number because it is at equal distance from previous prime (213422413) and next prime (213422431).

It is a junction number, because it is equal to n+sod(n) for n = 213422393 and 213422402.

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 7 ways as a sum of consecutive naturals, for example, 148218 + ... + 149650.

It is an arithmetic number, because the mean of its divisors is an integer number (20230155).

Almost surely, 2^213422422 is an apocalyptic number.

213422422 is a deficient number, since it is larger than the sum of its proper divisors (110260058).

213422422 is a wasteful number, since it uses less digits than its factorization.

213422422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207.

The product of its digits is 1536, while the sum is 22.

The square root of 213422422 is about 14608.9842904974. The cubic root of 213422422 is about 597.6037967934.

Adding to 213422422 its reverse (224224312), we get a palindrome (437646734).

The spelling of 213422422 in words is "two hundred thirteen million, four hundred twenty-two thousand, four hundred twenty-two".