3661422272 has 14 divisors (see below), whose sum is σ = 7265634948. Its totient is φ = 1830711104.

The previous prime is 3661422263. The next prime is 3661422367. The reversal of 3661422272 is 2722241663.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 28604798 + ... + 28604925.

Almost surely, 2^3661422272 is an apocalyptic number.

3661422272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3661422272 is a deficient number, since it is larger than the sum of its proper divisors (3604212676).

3661422272 is an equidigital number, since it uses as much as digits as its factorization.

3661422272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57209735 (or 57209725 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 3661422272 is about 60509.6874227590. The cubic root of 3661422272 is about 1541.2861398315.

The spelling of 3661422272 in words is "three billion, six hundred sixty-one million, four hundred twenty-two thousand, two hundred seventy-two".