2219244652261 has 64 divisors (see below), whose sum is σ = 2970956800000. Its totient is φ = 1642409286336.

The previous prime is 2219244652231. The next prime is 2219244652297. The reversal of 2219244652261 is 1622564429122.

It is not a de Polignac number, because 2219244652261 - 2⁷ = 2219244652133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2219244652231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6527170 + ... + 6858748.

It is an arithmetic number, because the mean of its divisors is an integer number (46421200000).

Almost surely, 2^{2219244652261} is an apocalyptic number.

It is an amenable number.

2219244652261 is a deficient number, since it is larger than the sum of its proper divisors (751712147739).

2219244652261 is a wasteful number, since it uses less digits than its factorization.

2219244652261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331711 (or 331697 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The spelling of 2219244652261 in words is "two trillion, two hundred nineteen billion, two hundred forty-four million, six hundred fifty-two thousand, two hundred sixty-one".