34023221 has 2 divisors, whose sum is σ = 34023222. Its totient is φ = 34023220.

The previous prime is 34023179. The next prime is 34023247. The reversal of 34023221 is 12232043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17098225 + 16924996 = 4135^2 + 4114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-34023221 is a prime.

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 34023221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34023251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17011610 + 17011611.

It is an arithmetic number, because the mean of its divisors is an integer number (17011611).

Almost surely, 2^34023221 is an apocalyptic number.

It is an amenable number.

34023221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34023221 is an equidigital number, since it uses as much as digits as its factorization.

34023221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 34023221 is about 5832.9427393041. The cubic root of 34023221 is about 324.0349153299.

Adding to 34023221 its reverse (12232043), we get a palindrome (46255264).

The spelling of 34023221 in words is "thirty-four million, twenty-three thousand, two hundred twenty-one".