222223242322221 has 8 divisors (see below), whose sum is σ = 338625893062464. Its totient is φ = 126984709898400.

The previous prime is 222223242322177. The next prime is 222223242322231. The reversal of 222223242322221 is 122223242322222.

It is a happy number.

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

It is not a de Polignac number, because 222223242322221 - 2¹⁸ = 222223242060077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222223242322231) 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, 5291029579080 + ... + 5291029579121.

It is an arithmetic number, because the mean of its divisors is an integer number (42328236632808).

Almost surely, 2^{222223242322221} is an apocalyptic number.

222223242322221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222223242322221 is a deficient number, since it is larger than the sum of its proper divisors (116402650740243).

222223242322221 is a wasteful number, since it uses less digits than its factorization.

222223242322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10582059158211.

The product of its digits is 73728, while the sum is 33.

Adding to 222223242322221 its reverse (122223242322222), we get a palindrome (344446484644443).

Subtracting from 222223242322221 its reverse (122223242322222), we obtain a palindrome (99999999999999).

The spelling of 222223242322221 in words is "two hundred twenty-two trillion, two hundred twenty-three billion, two hundred forty-two million, three hundred twenty-two thousand, two hundred twenty-one".