2223261173 has 20 divisors (see below), whose sum is σ = 2746268460. Its totient is φ = 1793522304.

The previous prime is 2223261137. The next prime is 2223261181. The reversal of 2223261173 is 3711623222.

It can be written as a sum of positive squares in 2 ways, for example, as 1686087844 + 537173329 = 41062^2 + 23177^2 .

It is not a de Polignac number, because 2223261173 - 2¹⁸ = 2222999029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223261373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13583 + ... + 68051.

It is an arithmetic number, because the mean of its divisors is an integer number (137313423).

Almost surely, 2^2223261173 is an apocalyptic number.

It is an amenable number.

2223261173 is a deficient number, since it is larger than the sum of its proper divisors (523007287).

2223261173 is an frugal number, since it uses more digits than its factorization.

2223261173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54514 (or 54493 counting only the distinct ones).

The product of its digits is 6048, while the sum is 29.

The square root of 2223261173 is about 47151.4705285000. The cubic root of 2223261173 is about 1305.1592164435.

Adding to 2223261173 its reverse (3711623222), we get a palindrome (5934884395).

The spelling of 2223261173 in words is "two billion, two hundred twenty-three million, two hundred sixty-one thousand, one hundred seventy-three".