34223381 has 2 divisors, whose sum is σ = 34223382. Its totient is φ = 34223380.

The previous prime is 34223369. The next prime is 34223407. The reversal of 34223381 is 18332243.

It is an a-pointer prime, because the next prime (34223407) can be obtained adding 34223381 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31820881 + 2402500 = 5641^2 + 1550^2 .

It is an emirp because it is prime and its reverse (18332243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34223381 is a prime.

It is a super-2 number, since 2×34223381² = 2342479614142322, 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 34223381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34223311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17111690 + 17111691.

It is an arithmetic number, because the mean of its divisors is an integer number (17111691).

Almost surely, 2^34223381 is an apocalyptic number.

It is an amenable number.

34223381 is a deficient number, since it is larger than the sum of its proper divisors (1).

34223381 is an equidigital number, since it uses as much as digits as its factorization.

34223381 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 34223381 is about 5850.0752986607. The cubic root of 34223381 is about 324.6691101707.

The spelling of 34223381 in words is "thirty-four million, two hundred twenty-three thousand, three hundred eighty-one".