3665420122 has 32 divisors (see below), whose sum is σ = 6773139072. Its totient is φ = 1448725824.

The previous prime is 3665420119. The next prime is 3665420123. The reversal of 3665420122 is 2210245663.

It is not an unprimeable number, because it can be changed into a prime (3665420123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203008 + ... + 220324.

It is an arithmetic number, because the mean of its divisors is an integer number (211660596).

Almost surely, 2^3665420122 is an apocalyptic number.

3665420122 is a deficient number, since it is larger than the sum of its proper divisors (3107718950).

3665420122 is a wasteful number, since it uses less digits than its factorization.

3665420122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18502.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 3665420122 is about 60542.7132031593. The cubic root of 3665420122 is about 1541.8469045678.

Adding to 3665420122 its reverse (2210245663), we get a palindrome (5875665785).

The spelling of 3665420122 in words is "three billion, six hundred sixty-five million, four hundred twenty thousand, one hundred twenty-two".