219919052 has 6 divisors (see below), whose sum is σ = 384858348. Its totient is φ = 109959524.

The previous prime is 219919003. The next prime is 219919087. The reversal of 219919052 is 250919912.

It is a junction number, because it is equal to n+sod(n) for n = 219918997 and 219919015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27489878 + ... + 27489885.

It is an arithmetic number, because the mean of its divisors is an integer number (64143058).

Almost surely, 2^219919052 is an apocalyptic number.

It is an amenable number.

219919052 is a deficient number, since it is larger than the sum of its proper divisors (164939296).

219919052 is a wasteful number, since it uses less digits than its factorization.

219919052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54979767 (or 54979765 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 219919052 is about 14829.6679666134. The cubic root of 219919052 is about 603.6070240279.

The spelling of 219919052 in words is "two hundred nineteen million, nine hundred nineteen thousand, fifty-two".