2272623146 has 24 divisors (see below), whose sum is σ = 3630920580. Its totient is φ = 1066372736.

The previous prime is 2272623131. The next prime is 2272623181. The reversal of 2272623146 is 6413262722.

It can be written as a sum of positive squares in 2 ways, for example, as 1939962025 + 332661121 = 44045^2 + 18239^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 35810 + ... + 76338.

Almost surely, 2^2272623146 is an apocalyptic number.

2272623146 is a deficient number, since it is larger than the sum of its proper divisors (1358297434).

2272623146 is a wasteful number, since it uses less digits than its factorization.

2272623146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40630 (or 40607 counting only the distinct ones).

The product of its digits is 48384, while the sum is 35.

The square root of 2272623146 is about 47672.0373594416. The cubic root of 2272623146 is about 1314.7478678271.

Adding to 2272623146 its reverse (6413262722), we get a palindrome (8685885868).

The spelling of 2272623146 in words is "two billion, two hundred seventy-two million, six hundred twenty-three thousand, one hundred forty-six".