213420422 has 8 divisors (see below), whose sum is σ = 320397336. Its totient is φ = 106621312.

The previous prime is 213420419. The next prime is 213420439. The reversal of 213420422 is 224024312.

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

It is a junction number, because it is equal to n+sod(n) for n = 213420394 and 213420403.

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, 41408 + ... + 46275.

It is an arithmetic number, because the mean of its divisors is an integer number (40049667).

Almost surely, 2^213420422 is an apocalyptic number.

213420422 is a deficient number, since it is larger than the sum of its proper divisors (106976914).

213420422 is a wasteful number, since it uses less digits than its factorization.

213420422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88902.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 213420422 is about 14608.9158393085. The cubic root of 213420422 is about 597.6019300552.

Adding to 213420422 its reverse (224024312), we get a palindrome (437444734).

The spelling of 213420422 in words is "two hundred thirteen million, four hundred twenty thousand, four hundred twenty-two".