2272226581605 has 32 divisors (see below), whose sum is σ = 3763526918400. Its totient is φ = 1169257162752.

The previous prime is 2272226581591. The next prime is 2272226581627. The reversal of 2272226581605 is 5061856222722.

It is not a de Polignac number, because 2272226581605 - 2⁴ = 2272226581589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1175500 + ... + 2434389.

It is an arithmetic number, because the mean of its divisors is an integer number (117610216200).

Almost surely, 2^{2272226581605} is an apocalyptic number.

It is an amenable number.

2272226581605 is a deficient number, since it is larger than the sum of its proper divisors (1491300336795).

2272226581605 is a wasteful number, since it uses less digits than its factorization.

2272226581605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611373.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 2272226581605 in words is "two trillion, two hundred seventy-two billion, two hundred twenty-six million, five hundred eighty-one thousand, six hundred five".