34212205 has 4 divisors (see below), whose sum is σ = 41054652. Its totient is φ = 27369760.

The previous prime is 34212203. The next prime is 34212229. The reversal of 34212205 is 50221243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50221243 = 29 ⋅1731767.

It can be written as a sum of positive squares in 2 ways, for example, as 6901129 + 27311076 = 2627^2 + 5226^2 .

It is not a de Polignac number, because 34212205 - 2¹ = 34212203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34212203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3421216 + ... + 3421225.

It is an arithmetic number, because the mean of its divisors is an integer number (10263663).

Almost surely, 2^34212205 is an apocalyptic number.

It is an amenable number.

34212205 is a deficient number, since it is larger than the sum of its proper divisors (6842447).

34212205 is an equidigital number, since it uses as much as digits as its factorization.

34212205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6842446.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 34212205 is about 5849.1200192850. The cubic root of 34212205 is about 324.6337649680.

Adding to 34212205 its reverse (50221243), we get a palindrome (84433448).

The spelling of 34212205 in words is "thirty-four million, two hundred twelve thousand, two hundred five".