222240042221 has 8 divisors (see below), whose sum is σ = 223304451264. Its totient is φ = 221176382560.

The previous prime is 222240042161. The next prime is 222240042263. The reversal of 222240042221 is 122240042222.

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

It is a cyclic number.

It is not a de Polignac number, because 222240042221 - 2²² = 222235847917 is a prime.

It is a super-2 number, since 2×222240042221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222240045221) 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, 411776 + ... + 783606.

It is an arithmetic number, because the mean of its divisors is an integer number (27913056408).

Almost surely, 2^222240042221 is an apocalyptic number.

It is an amenable number.

222240042221 is a deficient number, since it is larger than the sum of its proper divisors (1064409043).

222240042221 is a wasteful number, since it uses less digits than its factorization.

222240042221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374691.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 222240042221 its reverse (122240042222), we get a palindrome (344480084443).

Subtracting from 222240042221 its reverse (122240042222), we obtain a palindrome (99999999999).

The spelling of 222240042221 in words is "two hundred twenty-two billion, two hundred forty million, forty-two thousand, two hundred twenty-one".