219025072 has 40 divisors (see below), whose sum is σ = 486080000. Its totient is φ = 93655872.

The previous prime is 219025069. The next prime is 219025073. The reversal of 219025072 is 270520912.

219025072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 219025072.

It is not an unprimeable number, because it can be changed into a prime (219025073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53929 + ... + 57847.

It is an arithmetic number, because the mean of its divisors is an integer number (12152000).

Almost surely, 2^219025072 is an apocalyptic number.

It is an amenable number.

219025072 is an abundant number, since it is smaller than the sum of its proper divisors (267054928).

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

219025072 is a wasteful number, since it uses less digits than its factorization.

219025072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 219025072 is about 14799.4956670827. The cubic root of 219025072 is about 602.7880174576.

Adding to 219025072 its reverse (270520912), we get a palindrome (489545984).

The spelling of 219025072 in words is "two hundred nineteen million, twenty-five thousand, seventy-two".