3400899221 has 4 divisors (see below), whose sum is σ = 3420557772. Its totient is φ = 3381240672.

The previous prime is 3400899199. The next prime is 3400899233. The reversal of 3400899221 is 1229980043.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2286274225 + 1114624996 = 47815^2 + 33386^2 .

It is a cyclic number.

It is not a de Polignac number, because 3400899221 - 2⁶ = 3400899157 is a prime.

It is a super-2 number, since 2×3400899221² = 23132231022796813682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3400899251) 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, 9829016 + ... + 9829361.

It is an arithmetic number, because the mean of its divisors is an integer number (855139443).

Almost surely, 2^3400899221 is an apocalyptic number.

It is an amenable number.

3400899221 is a deficient number, since it is larger than the sum of its proper divisors (19658551).

3400899221 is a wasteful number, since it uses less digits than its factorization.

3400899221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19658550.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 3400899221 is about 58317.2291951530. The cubic root of 3400899221 is about 1503.8271486140.

The spelling of 3400899221 in words is "three billion, four hundred million, eight hundred ninety-nine thousand, two hundred twenty-one".