9220169087 has 4 divisors (see below), whose sum is σ = 9221804040. Its totient is φ = 9218534136.

The previous prime is 9220169071. The next prime is 9220169099. The reversal of 9220169087 is 7809610229.

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 9220169087 - 2⁴ = 9220169071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9220189087) 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, 808988 + ... + 820305.

It is an arithmetic number, because the mean of its divisors is an integer number (2305451010).

Almost surely, 2^9220169087 is an apocalyptic number.

9220169087 is a deficient number, since it is larger than the sum of its proper divisors (1634953).

9220169087 is a wasteful number, since it uses less digits than its factorization.

9220169087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634952.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 9220169087 is about 96021.7115396305. The cubic root of 9220169087 is about 2096.9092164009.

The spelling of 9220169087 in words is "nine billion, two hundred twenty million, one hundred sixty-nine thousand, eighty-seven".