222332442421 has 8 divisors (see below), whose sum is σ = 228829022784. Its totient is φ = 215929338240.

The previous prime is 222332442383. The next prime is 222332442467. The reversal of 222332442421 is 124244233222.

It is a happy number.

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 222332442421 - 2¹³ = 222332434229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222332442121) 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, 23364220 + ... + 23373733.

It is an arithmetic number, because the mean of its divisors is an integer number (28603627848).

Almost surely, 2^222332442421 is an apocalyptic number.

It is an amenable number.

222332442421 is a deficient number, since it is larger than the sum of its proper divisors (6496580363).

222332442421 is an equidigital number, since it uses as much as digits as its factorization.

222332442421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46738091.

The product of its digits is 36864, while the sum is 31.

Adding to 222332442421 its reverse (124244233222), we get a palindrome (346576675643).

The spelling of 222332442421 in words is "two hundred twenty-two billion, three hundred thirty-two million, four hundred forty-two thousand, four hundred twenty-one".