2219006443 has 32 divisors (see below), whose sum is σ = 2466680832. Its totient is φ = 1989187200.

The previous prime is 2219006437. The next prime is 2219006453. The reversal of 2219006443 is 3446009122.

It is a happy number.

It is not a de Polignac number, because 2219006443 - 2²⁵ = 2185452011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219006453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4813233 + ... + 4813693.

It is an arithmetic number, because the mean of its divisors is an integer number (77083776).

Almost surely, 2^2219006443 is an apocalyptic number.

2219006443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2219006443 is a deficient number, since it is larger than the sum of its proper divisors (247674389).

2219006443 is a wasteful number, since it uses less digits than its factorization.

2219006443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2219006443 is about 47106.3312411400. The cubic root of 2219006443 is about 1304.3261090101.

The spelling of 2219006443 in words is "two billion, two hundred nineteen million, six thousand, four hundred forty-three".