3476440221 has 16 divisors (see below), whose sum is σ = 4906608960. Its totient is φ = 2185666560.

The previous prime is 3476440199. The next prime is 3476440243. The reversal of 3476440221 is 1220446743.

It is an interprime number because it is at equal distance from previous prime (3476440199) and next prime (3476440243).

It is not a de Polignac number, because 3476440221 - 2¹⁵ = 3476407453 is a prime.

It is a super-2 number, since 2×3476440221² = 24171273220373057682, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3476440291) 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 15 ways as a sum of consecutive naturals, for example, 460900 + ... + 468381.

It is an arithmetic number, because the mean of its divisors is an integer number (306663060).

Almost surely, 2^3476440221 is an apocalyptic number.

It is an amenable number.

3476440221 is a deficient number, since it is larger than the sum of its proper divisors (1430168739).

3476440221 is a wasteful number, since it uses less digits than its factorization.

3476440221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929356.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 3476440221 is about 58961.3451423897. The cubic root of 3476440221 is about 1514.8800815668.

Adding to 3476440221 its reverse (1220446743), we get a palindrome (4696886964).

The spelling of 3476440221 in words is "three billion, four hundred seventy-six million, four hundred forty thousand, two hundred twenty-one".