219596972 has 24 divisors (see below), whose sum is σ = 448541184. Its totient is φ = 92110032.

The previous prime is 219596969. The next prime is 219596981. The reversal of 219596972 is 279695912.

It is a happy number.

It is a super-2 number, since 2×219596972² = 96445660223137568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 219596972.

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 7 ways as a sum of consecutive naturals, for example, 82118 + ... + 84749.

It is an arithmetic number, because the mean of its divisors is an integer number (18689216).

Almost surely, 2^219596972 is an apocalyptic number.

It is an amenable number.

219596972 is an abundant number, since it is smaller than the sum of its proper divisors (228944212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219596972 is a wasteful number, since it uses less digits than its factorization.

219596972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166925 (or 166923 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

The square root of 219596972 is about 14818.8046751416. The cubic root of 219596972 is about 603.3122114098.

The spelling of 219596972 in words is "two hundred nineteen million, five hundred ninety-six thousand, nine hundred seventy-two".