219870982 has 16 divisors (see below), whose sum is σ = 348442560. Its totient is φ = 103884928.

The previous prime is 219870971. The next prime is 219870991. The reversal of 219870982 is 289078912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37603 + ... + 43054.

It is an arithmetic number, because the mean of its divisors is an integer number (21777660).

Almost surely, 2^219870982 is an apocalyptic number.

219870982 is a deficient number, since it is larger than the sum of its proper divisors (128571578).

219870982 is a wasteful number, since it uses less digits than its factorization.

219870982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80735.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 219870982 is about 14828.0471404700. The cubic root of 219870982 is about 603.5630419298.

The spelling of 219870982 in words is "two hundred nineteen million, eight hundred seventy thousand, nine hundred eighty-two".