219481132 has 12 divisors (see below), whose sum is σ = 413637616. Its totient is φ = 101298960.

The previous prime is 219481069. The next prime is 219481183. The reversal of 219481132 is 231184912.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 219481094 and 219481103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110344 + ... + 2110447.

Almost surely, 2^219481132 is an apocalyptic number.

It is an amenable number.

219481132 is a deficient number, since it is larger than the sum of its proper divisors (194156484).

219481132 is a wasteful number, since it uses less digits than its factorization.

219481132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220808 (or 4220806 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 219481132 is about 14814.8956121871. The cubic root of 219481132 is about 603.2061079750.

The spelling of 219481132 in words is "two hundred nineteen million, four hundred eighty-one thousand, one hundred thirty-two".