4223356418 has 6 divisors (see below), whose sum is σ = 6335172489. Its totient is φ = 2111632256.

The previous prime is 4223356387. The next prime is 4223356421. The reversal of 4223356418 is 8146533224.

It can be written as a sum of positive squares in 2 ways, for example, as 4027552369 + 195804049 = 63463^2 + 13993^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45953.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 68930 + ... + 114882.

Almost surely, 2^4223356418 is an apocalyptic number.

4223356418 is a deficient number, since it is larger than the sum of its proper divisors (2111816071).

4223356418 is an frugal number, since it uses more digits than its factorization.

4223356418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91908 (or 45955 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 4223356418 is about 64987.3558317308. The cubic root of 4223356418 is about 1616.4139059307.

The spelling of 4223356418 in words is "four billion, two hundred twenty-three million, three hundred fifty-six thousand, four hundred eighteen".