222233381 has 2 divisors, whose sum is σ = 222233382. Its totient is φ = 222233380.

The previous prime is 222233377. The next prime is 222233387. The reversal of 222233381 is 183332222.

222233381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119028100 + 103205281 = 10910^2 + 10159^2 .

It is a cyclic number.

It is not a de Polignac number, because 222233381 - 2² = 222233377 is a prime.

It is a super-2 number, since 2×222233381² = 98775351261382322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222233381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222233387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111116690 + 111116691.

It is an arithmetic number, because the mean of its divisors is an integer number (111116691).

Almost surely, 2^222233381 is an apocalyptic number.

It is an amenable number.

222233381 is a deficient number, since it is larger than the sum of its proper divisors (1).

222233381 is an equidigital number, since it uses as much as digits as its factorization.

222233381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 222233381 is about 14907.4941220850. The cubic root of 222233381 is about 605.7170025301.

The spelling of 222233381 in words is "two hundred twenty-two million, two hundred thirty-three thousand, three hundred eighty-one".