2223145394 has 16 divisors (see below), whose sum is σ = 3467237400. Its totient is φ = 1067789184.

The previous prime is 2223145387. The next prime is 2223145447. The reversal of 2223145394 is 4935413222.

It can be written as a sum of positive squares in 4 ways, for example, as 2137860169 + 85285225 = 46237^2 + 9235^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85859 + ... + 108710.

Almost surely, 2^2223145394 is an apocalyptic number.

2223145394 is a deficient number, since it is larger than the sum of its proper divisors (1244092006).

2223145394 is a wasteful number, since it uses less digits than its factorization.

2223145394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194797.

The product of its digits is 51840, while the sum is 35.

The square root of 2223145394 is about 47150.2427777419. The cubic root of 2223145394 is about 1305.1365601382.

The spelling of 2223145394 in words is "two billion, two hundred twenty-three million, one hundred forty-five thousand, three hundred ninety-four".