218413022 has 8 divisors (see below), whose sum is σ = 327764496. Its totient is φ = 109158192.

The previous prime is 218412989. The next prime is 218413043. The reversal of 218413022 is 220314812.

It is a happy number.

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, 18218 + ... + 27725.

It is an arithmetic number, because the mean of its divisors is an integer number (40970562).

Almost surely, 2^218413022 is an apocalyptic number.

218413022 is a deficient number, since it is larger than the sum of its proper divisors (109351474).

218413022 is a wasteful number, since it uses less digits than its factorization.

218413022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48322.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 218413022 is about 14778.8031315124. The cubic root of 218413022 is about 602.2260108758.

Adding to 218413022 its reverse (220314812), we get a palindrome (438727834).

The spelling of 218413022 in words is "two hundred eighteen million, four hundred thirteen thousand, twenty-two".