213223462 has 8 divisors (see below), whose sum is σ = 319900392. Its totient is φ = 106590000.

The previous prime is 213223459. The next prime is 213223481. The reversal of 213223462 is 264322312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7837 + ... + 22087.

It is an arithmetic number, because the mean of its divisors is an integer number (39987549).

Almost surely, 2^213223462 is an apocalyptic number.

213223462 is a deficient number, since it is larger than the sum of its proper divisors (106676930).

213223462 is a wasteful number, since it uses less digits than its factorization.

213223462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21734.

The product of its digits is 3456, while the sum is 25.

The square root of 213223462 is about 14602.1731944255. The cubic root of 213223462 is about 597.4180365269.

Adding to 213223462 its reverse (264322312), we get a palindrome (477545774).

The spelling of 213223462 in words is "two hundred thirteen million, two hundred twenty-three thousand, four hundred sixty-two".