219890098 has 4 divisors (see below), whose sum is σ = 329835150. Its totient is φ = 109945048.

The previous prime is 219890071. The next prime is 219890113. The reversal of 219890098 is 890098912.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 122611329 + 97278769 = 11073^2 + 9863^2 .

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 as a sum of consecutive naturals, namely, 54972523 + ... + 54972526.

Almost surely, 2^219890098 is an apocalyptic number.

219890098 is a deficient number, since it is larger than the sum of its proper divisors (109945052).

219890098 is a wasteful number, since it uses less digits than its factorization.

219890098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109945051.

The product of its (nonzero) digits is 93312, while the sum is 46.

The square root of 219890098 is about 14828.6917157246. The cubic root of 219890098 is about 603.5805330613.

The spelling of 219890098 in words is "two hundred nineteen million, eight hundred ninety thousand, ninety-eight".