2189002196 has 6 divisors (see below), whose sum is σ = 3830753850. Its totient is φ = 1094501096.

The previous prime is 2189002183. The next prime is 2189002219. The reversal of 2189002196 is 6912009812.

It can be written as a sum of positive squares in only one way, i.e., 1294992196 + 894010000 = 35986^2 + 29900^2 .

It is a super-2 number, since 2×2189002196² = 9583461228185644832, 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 as a sum of consecutive naturals, namely, 273625271 + ... + 273625278.

It is an arithmetic number, because the mean of its divisors is an integer number (638458975).

Almost surely, 2^2189002196 is an apocalyptic number.

It is an amenable number.

2189002196 is a deficient number, since it is larger than the sum of its proper divisors (1641751654).

2189002196 is a wasteful number, since it uses less digits than its factorization.

2189002196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547250553 (or 547250551 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 2189002196 is about 46786.7737293351. The cubic root of 2189002196 is about 1298.4206058076.

The spelling of 2189002196 in words is "two billion, one hundred eighty-nine million, two thousand, one hundred ninety-six".