2223145134 has 96 divisors (see below), whose sum is σ = 5657783040. Its totient is φ = 617780736.

The previous prime is 2223145117. The next prime is 2223145153. The reversal of 2223145134 is 4315413222.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2223145098 and 2223145107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 719557 + ... + 722639.

It is an arithmetic number, because the mean of its divisors is an integer number (58935240).

Almost surely, 2^2223145134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223145134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2828891520).

2223145134 is an abundant number, since it is smaller than the sum of its proper divisors (3434637906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2223145134 is a wasteful number, since it uses less digits than its factorization.

2223145134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254 (or 3251 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2223145134 is about 47150.2400205980. The cubic root of 2223145134 is about 1305.1365092590.

Adding to 2223145134 its reverse (4315413222), we get a palindrome (6538558356).

The spelling of 2223145134 in words is "two billion, two hundred twenty-three million, one hundred forty-five thousand, one hundred thirty-four".