422217213 has 8 divisors (see below), whose sum is σ = 614134176. Its totient is φ = 255889200.

The previous prime is 422217209. The next prime is 422217223. The reversal of 422217213 is 312712224.

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

It is not a de Polignac number, because 422217213 - 2² = 422217209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422217223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6397198 + ... + 6397263.

It is an arithmetic number, because the mean of its divisors is an integer number (76766772).

Almost surely, 2^422217213 is an apocalyptic number.

It is an amenable number.

422217213 is a deficient number, since it is larger than the sum of its proper divisors (191916963).

422217213 is a wasteful number, since it uses less digits than its factorization.

422217213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794475.

The product of its digits is 1344, while the sum is 24.

The square root of 422217213 is about 20547.9247857296. The cubic root of 422217213 is about 750.2027380803.

Adding to 422217213 its reverse (312712224), we get a palindrome (734929437).

The spelling of 422217213 in words is "four hundred twenty-two million, two hundred seventeen thousand, two hundred thirteen".