219000002 has 24 divisors (see below), whose sum is σ = 357333120. Its totient is φ = 100616880.

The previous prime is 218999999. The next prime is 219000011. The reversal of 219000002 is 200000912.

It is a super-2 number, since 2×219000002² = 95922001752000008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79427 + ... + 82137.

It is an arithmetic number, because the mean of its divisors is an integer number (14888880).

Almost surely, 2^219000002 is an apocalyptic number.

219000002 is a deficient number, since it is larger than the sum of its proper divisors (138333118).

219000002 is a wasteful number, since it uses less digits than its factorization.

219000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978 (or 2965 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 219000002 is about 14798.6486545225. The cubic root of 219000002 is about 602.7650178499.

Adding to 219000002 its reverse (200000912), we get a palindrome (419000914).

The spelling of 219000002 in words is "two hundred nineteen million, two", and thus it is an aban number.