2189219902 has 8 divisors (see below), whose sum is σ = 3426605136. Its totient is φ = 1047018192.

The previous prime is 2189219891. The next prime is 2189219927. The reversal of 2189219902 is 2099129812.

2189219902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23795823 + ... + 23795914.

It is an arithmetic number, because the mean of its divisors is an integer number (428325642).

Almost surely, 2^2189219902 is an apocalyptic number.

2189219902 is a deficient number, since it is larger than the sum of its proper divisors (1237385234).

2189219902 is a wasteful number, since it uses less digits than its factorization.

2189219902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47591762.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 2189219902 is about 46789.1002478141. The cubic root of 2189219902 is about 1298.4636489478.

The spelling of 2189219902 in words is "two billion, one hundred eighty-nine million, two hundred nineteen thousand, nine hundred two".