9055221167 has 4 divisors (see below), whose sum is σ = 9057195576. Its totient is φ = 9053246760.

The previous prime is 9055221163. The next prime is 9055221181. The reversal of 9055221167 is 7611225509.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 9055221167 - 2² = 9055221163 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9055221167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9055221163) 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, 980309 + ... + 989502.

It is an arithmetic number, because the mean of its divisors is an integer number (2264298894).

Almost surely, 2^9055221167 is an apocalyptic number.

9055221167 is a deficient number, since it is larger than the sum of its proper divisors (1974409).

9055221167 is a wasteful number, since it uses less digits than its factorization.

9055221167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974408.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 9055221167 is about 95158.9258398811. The cubic root of 9055221167 is about 2084.3293982089.

The spelling of 9055221167 in words is "nine billion, fifty-five million, two hundred twenty-one thousand, one hundred sixty-seven".