222112330381 has 2 divisors, whose sum is σ = 222112330382. Its totient is φ = 222112330380.

The previous prime is 222112330357. The next prime is 222112330397. The reversal of 222112330381 is 183033211222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197972493481 + 24139836900 = 444941^2 + 155370^2 .

It is a cyclic number.

It is not a de Polignac number, because 222112330381 - 2³¹ = 219964846733 is a prime.

It is a super-2 number, since 2×222112330381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222112330681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111056165190 + 111056165191.

It is an arithmetic number, because the mean of its divisors is an integer number (111056165191).

Almost surely, 2^222112330381 is an apocalyptic number.

It is an amenable number.

222112330381 is a deficient number, since it is larger than the sum of its proper divisors (1).

222112330381 is an equidigital number, since it uses as much as digits as its factorization.

222112330381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 222112330381 in words is "two hundred twenty-two billion, one hundred twelve million, three hundred thirty thousand, three hundred eighty-one".