2199329460 has 72 divisors (see below), whose sum is σ = 6961368960. Its totient is φ = 560987328.

The previous prime is 2199329449. The next prime is 2199329479. The reversal of 2199329460 is 649239912.

It is a happy number.

2199329460 is a `hidden beast` number, since 219 + 93 + 294 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 261480 + ... + 269759.

It is an arithmetic number, because the mean of its divisors is an integer number (96685680).

Almost surely, 2^2199329460 is an apocalyptic number.

2199329460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2199329460 is an abundant number, since it is smaller than the sum of its proper divisors (4762039500).

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

2199329460 is a wasteful number, since it uses less digits than its factorization.

2199329460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531277 (or 531272 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 2199329460 is about 46897.0090730742. The cubic root of 2199329460 is about 1300.4592972747.

The spelling of 2199329460 in words is "two billion, one hundred ninety-nine million, three hundred twenty-nine thousand, four hundred sixty".