219472470 has 192 divisors, whose sum is σ = 695874240. Its totient is φ = 49061376.

The previous prime is 219472447. The next prime is 219472483. The reversal of 219472470 is 74274912.

It is a Curzon number.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 701034 + ... + 701346.

It is an arithmetic number, because the mean of its divisors is an integer number (3624345).

Almost surely, 2^219472470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 219472470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347937120).

219472470 is an abundant number, since it is smaller than the sum of its proper divisors (476401770).

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

219472470 is a wasteful number, since it uses less digits than its factorization.

219472470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 219472470 is about 14814.6032683970. The cubic root of 219472470 is about 603.1981725320.

The spelling of 219472470 in words is "two hundred nineteen million, four hundred seventy-two thousand, four hundred seventy".