34012221 has 8 divisors (see below), whose sum is σ = 45407040. Its totient is φ = 22646112.

The previous prime is 34012219. The next prime is 34012229. The reversal of 34012221 is 12221043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34012221 - 2¹ = 34012219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34012229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4240 + ... + 9273.

It is an arithmetic number, because the mean of its divisors is an integer number (5675880).

Almost surely, 2^34012221 is an apocalyptic number.

It is an amenable number.

34012221 is a deficient number, since it is larger than the sum of its proper divisors (11394819).

34012221 is a wasteful number, since it uses less digits than its factorization.

34012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14355.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 34012221 is about 5831.9997427983. Note that the first 3 decimals coincide. The cubic root of 34012221 is about 323.9999904740. Note that the first 5 decimals are identical.

Adding to 34012221 its reverse (12221043), we get a palindrome (46233264).

It can be divided in two parts, 340 and 12221, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 34012221 in words is "thirty-four million, twelve thousand, two hundred twenty-one".