2219489685 has 24 divisors (see below), whose sum is σ = 4396704000. Its totient is φ = 1014623712.

The previous prime is 2219489669. The next prime is 2219489707. The reversal of 2219489685 is 5869849122.

It is a happy number.

It is not a de Polignac number, because 2219489685 - 2⁴ = 2219489669 is a prime.

It is a super-2 number, since 2×2219489685² = 9852268923642798450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3522685 + ... + 3523314.

It is an arithmetic number, because the mean of its divisors is an integer number (183196000).

Almost surely, 2^2219489685 is an apocalyptic number.

It is an amenable number.

2219489685 is a deficient number, since it is larger than the sum of its proper divisors (2177214315).

2219489685 is a wasteful number, since it uses less digits than its factorization.

2219489685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046017 (or 7046014 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 2219489685 is about 47111.4602299695. The cubic root of 2219489685 is about 1304.4207849269.

The spelling of 2219489685 in words is "two billion, two hundred nineteen million, four hundred eighty-nine thousand, six hundred eighty-five".