2272141722621 has 32 divisors (see below), whose sum is σ = 3131540207488. Its totient is φ = 1464729661440.

The previous prime is 2272141722619. The next prime is 2272141722647. The reversal of 2272141722621 is 1262271412722.

It is not a de Polignac number, because 2272141722621 - 2¹ = 2272141722619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2272141722621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272141722421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3824205 + ... + 4378221.

It is an arithmetic number, because the mean of its divisors is an integer number (97860631484).

Almost surely, 2^{2272141722621} is an apocalyptic number.

It is an amenable number.

2272141722621 is a deficient number, since it is larger than the sum of its proper divisors (859398484867).

2272141722621 is a wasteful number, since it uses less digits than its factorization.

2272141722621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554461.

The product of its digits is 75264, while the sum is 39.

The spelling of 2272141722621 in words is "two trillion, two hundred seventy-two billion, one hundred forty-one million, seven hundred twenty-two thousand, six hundred twenty-one".