222122019893 has 2 divisors, whose sum is σ = 222122019894. Its totient is φ = 222122019892.

The previous prime is 222122019853. The next prime is 222122019923. The reversal of 222122019893 is 398910221222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179049998449 + 43072021444 = 423143^2 + 207538^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122019893 - 2¹⁸ = 222121757749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222122019893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122019853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061009946 + 111061009947.

It is an arithmetic number, because the mean of its divisors is an integer number (111061009947).

Almost surely, 2^222122019893 is an apocalyptic number.

It is an amenable number.

222122019893 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122019893 is an equidigital number, since it uses as much as digits as its factorization.

222122019893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 222122019893 in words is "two hundred twenty-two billion, one hundred twenty-two million, nineteen thousand, eight hundred ninety-three".