3667225291 has 4 divisors (see below), whose sum is σ = 3675250312. Its totient is φ = 3659200272.

The previous prime is 3667225249. The next prime is 3667225301. The reversal of 3667225291 is 1925227663.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3667225291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3667225241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4011825 + ... + 4012738.

It is an arithmetic number, because the mean of its divisors is an integer number (918812578).

Almost surely, 2^3667225291 is an apocalyptic number.

3667225291 is a deficient number, since it is larger than the sum of its proper divisors (8025021).

3667225291 is an equidigital number, since it uses as much as digits as its factorization.

3667225291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025020.

The product of its digits is 272160, while the sum is 43.

The square root of 3667225291 is about 60557.6195948949. The cubic root of 3667225291 is about 1542.0999758262.

The spelling of 3667225291 in words is "three billion, six hundred sixty-seven million, two hundred twenty-five thousand, two hundred ninety-one".