3902220241 has 4 divisors (see below), whose sum is σ = 3975847092. Its totient is φ = 3828593392.

The previous prime is 3902220229. The next prime is 3902220269. The reversal of 3902220241 is 1420222093.

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 3566597841 + 335622400 = 59721^2 + 18320^2 .

It is a cyclic number.

It is not a de Polignac number, because 3902220241 - 2¹⁵ = 3902187473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3902220221) 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, 36813346 + ... + 36813451.

It is an arithmetic number, because the mean of its divisors is an integer number (993961773).

Almost surely, 2^3902220241 is an apocalyptic number.

It is an amenable number.

3902220241 is a deficient number, since it is larger than the sum of its proper divisors (73626851).

3902220241 is an equidigital number, since it uses as much as digits as its factorization.

3902220241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73626850.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 3902220241 is about 62467.7536093623. The cubic root of 3902220241 is about 1574.3595603585.

The spelling of 3902220241 in words is "three billion, nine hundred two million, two hundred twenty thousand, two hundred forty-one".