222121342439 has 8 divisors (see below), whose sum is σ = 225714615168. Its totient is φ = 218536247160.

The previous prime is 222121342393. The next prime is 222121342447. The reversal of 222121342439 is 934243121222.

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 222121342439 - 2¹⁶ = 222121276903 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222121342399 and 222121342408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121342489) 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, 1989587 + ... + 2098260.

It is an arithmetic number, because the mean of its divisors is an integer number (28214326896).

Almost surely, 2^222121342439 is an apocalyptic number.

222121342439 is a deficient number, since it is larger than the sum of its proper divisors (3593272729).

222121342439 is an equidigital number, since it uses as much as digits as its factorization.

222121342439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4088725.

The product of its digits is 41472, while the sum is 35.

The spelling of 222121342439 in words is "two hundred twenty-two billion, one hundred twenty-one million, three hundred forty-two thousand, four hundred thirty-nine".