2219787385 has 64 divisors (see below), whose sum is σ = 3031603200. Its totient is φ = 1552269312.

The previous prime is 2219787371. The next prime is 2219787443. The reversal of 2219787385 is 5837879122.

It is a cyclic number.

It is not a de Polignac number, because 2219787385 - 2²⁷ = 2085569657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8637177 + ... + 8637433.

It is an arithmetic number, because the mean of its divisors is an integer number (47368800).

Almost surely, 2^2219787385 is an apocalyptic number.

It is an amenable number.

2219787385 is a deficient number, since it is larger than the sum of its proper divisors (811815815).

2219787385 is a wasteful number, since it uses less digits than its factorization.

2219787385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430.

The product of its digits is 1693440, while the sum is 52.

The square root of 2219787385 is about 47114.6196525028. The cubic root of 2219787385 is about 1304.4791029432.

The spelling of 2219787385 in words is "two billion, two hundred nineteen million, seven hundred eighty-seven thousand, three hundred eighty-five".