2199442647 has 16 divisors (see below), whose sum is σ = 3036958848. Its totient is φ = 1414932960.

The previous prime is 2199442639. The next prime is 2199442649. The reversal of 2199442647 is 7462449912.

It is not a de Polignac number, because 2199442647 - 2³ = 2199442639 is a prime.

It is a super-3 number, since 3×2199442647³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2199442596 and 2199442605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2199442649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92004 + ... + 113417.

It is an arithmetic number, because the mean of its divisors is an integer number (189809928).

Almost surely, 2^2199442647 is an apocalyptic number.

2199442647 is a deficient number, since it is larger than the sum of its proper divisors (837516201).

2199442647 is a wasteful number, since it uses less digits than its factorization.

2199442647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205550.

The product of its digits is 870912, while the sum is 48.

The square root of 2199442647 is about 46898.2158189413. The cubic root of 2199442647 is about 1300.4816059774.

The spelling of 2199442647 in words is "two billion, one hundred ninety-nine million, four hundred forty-two thousand, six hundred forty-seven".