3434660221 has 4 divisors (see below), whose sum is σ = 3545455744. Its totient is φ = 3323864700.

The previous prime is 3434660209. The next prime is 3434660261. The reversal of 3434660221 is 1220664343.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3434660221 - 2¹¹ = 3434658173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 110795491 = 3434660221 / (3 + 4 + 3 + 4 + 6 + 6 + 0 + 2 + 2 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3434660261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55397715 + ... + 55397776.

It is an arithmetic number, because the mean of its divisors is an integer number (886363936).

Almost surely, 2^3434660221 is an apocalyptic number.

3434660221 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3434660221 is a deficient number, since it is larger than the sum of its proper divisors (110795523).

3434660221 is a wasteful number, since it uses less digits than its factorization.

3434660221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110795522.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 3434660221 is about 58605.9742773721. The cubic root of 3434660221 is about 1508.7869767741.

The spelling of 3434660221 in words is "three billion, four hundred thirty-four million, six hundred sixty thousand, two hundred twenty-one".