213002422 has 4 divisors (see below), whose sum is σ = 319503636. Its totient is φ = 106501210.

The previous prime is 213002417. The next prime is 213002437. The reversal of 213002422 is 224200312.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 213002396 and 213002405.

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 as a sum of consecutive naturals, namely, 53250604 + ... + 53250607.

It is an arithmetic number, because the mean of its divisors is an integer number (79875909).

Almost surely, 2^213002422 is an apocalyptic number.

213002422 is a deficient number, since it is larger than the sum of its proper divisors (106501214).

213002422 is a wasteful number, since it uses less digits than its factorization.

213002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106501213.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 213002422 is about 14594.6024954433. The cubic root of 213002422 is about 597.2115255747.

Adding to 213002422 its reverse (224200312), we get a palindrome (437202734).

The spelling of 213002422 in words is "two hundred thirteen million, two thousand, four hundred twenty-two".