2164229085 has 8 divisors (see below), whose sum is σ = 3462766560. Its totient is φ = 1154255504.

The previous prime is 2164229051. The next prime is 2164229101. The reversal of 2164229085 is 5809224612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2164229085 - 2¹² = 2164224989 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72140955 + ... + 72140984.

It is an arithmetic number, because the mean of its divisors is an integer number (432845820).

Almost surely, 2^2164229085 is an apocalyptic number.

It is an amenable number.

2164229085 is a deficient number, since it is larger than the sum of its proper divisors (1298537475).

2164229085 is a wasteful number, since it uses less digits than its factorization.

2164229085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144281947.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 2164229085 is about 46521.2756166466. The cubic root of 2164229085 is about 1293.5039017535.

The spelling of 2164229085 in words is "two billion, one hundred sixty-four million, two hundred twenty-nine thousand, eighty-five".