34532221 has 2 divisors, whose sum is σ = 34532222. Its totient is φ = 34532220.

The previous prime is 34532213. The next prime is 34532249. The reversal of 34532221 is 12223543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19624900 + 14907321 = 4430^2 + 3861^2 .

It is an emirp because it is prime and its reverse (12223543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34532221 - 2³ = 34532213 is a prime.

It is equal to p_2119900 and since 34532221 and 2119900 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 34532192 and 34532201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34532021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17266110 + 17266111.

It is an arithmetic number, because the mean of its divisors is an integer number (17266111).

Almost surely, 2^34532221 is an apocalyptic number.

It is an amenable number.

34532221 is a deficient number, since it is larger than the sum of its proper divisors (1).

34532221 is an equidigital number, since it uses as much as digits as its factorization.

34532221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 34532221 is about 5876.4122557901. The cubic root of 34532221 is about 325.6428176732.

Adding to 34532221 its reverse (12223543), we get a palindrome (46755764).

The spelling of 34532221 in words is "thirty-four million, five hundred thirty-two thousand, two hundred twenty-one".