219224530660 has 12 divisors (see below), whose sum is σ = 460371514428. Its totient is φ = 87689812256.

The previous prime is 219224530631. The next prime is 219224530663. The reversal of 219224530660 is 66035422912.

It can be written as a sum of positive squares in 2 ways, for example, as 159250479844 + 59974050816 = 399062^2 + 244896^2 .

It is not an unprimeable number, because it can be changed into a prime (219224530663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5480613247 + ... + 5480613286.

It is an arithmetic number, because the mean of its divisors is an integer number (38364292869).

Almost surely, 2^219224530660 is an apocalyptic number.

219224530660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

219224530660 is an abundant number, since it is smaller than the sum of its proper divisors (241146983768).

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

219224530660 is a wasteful number, since it uses less digits than its factorization.

219224530660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961226542 (or 10961226540 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 219224530660 in words is "two hundred nineteen billion, two hundred twenty-four million, five hundred thirty thousand, six hundred sixty".