2223145136 has 10 divisors (see below), whose sum is σ = 4307343732. Its totient is φ = 1111572560.

The previous prime is 2223145117. The next prime is 2223145153. The reversal of 2223145136 is 6315413222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2223145099 and 2223145108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69473270 + ... + 69473301.

Almost surely, 2^2223145136 is an apocalyptic number.

It is an amenable number.

2223145136 is a deficient number, since it is larger than the sum of its proper divisors (2084198596).

2223145136 is a wasteful number, since it uses less digits than its factorization.

2223145136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138946579 (or 138946573 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 2223145136 is about 47150.2400418068. The cubic root of 2223145136 is about 1305.1365096504.

Adding to 2223145136 its reverse (6315413222), we get a palindrome (8538558358).

The spelling of 2223145136 in words is "two billion, two hundred twenty-three million, one hundred forty-five thousand, one hundred thirty-six".