2223344421 has 24 divisors (see below), whose sum is σ = 3325071360. Its totient is φ = 1429898400.

The previous prime is 2223344401. The next prime is 2223344437. The reversal of 2223344421 is 1244433222.

2223344421 is a `hidden beast` number, since 2 + 2 + 233 + 4 + 4 + 421 = 666.

It is not a de Polignac number, because 2223344421 - 2¹⁵ = 2223311653 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2223344401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 381036 + ... + 386826.

It is an arithmetic number, because the mean of its divisors is an integer number (138544640).

Almost surely, 2^2223344421 is an apocalyptic number.

It is an amenable number.

2223344421 is a deficient number, since it is larger than the sum of its proper divisors (1101726939).

2223344421 is a wasteful number, since it uses less digits than its factorization.

2223344421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297 (or 7294 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 2223344421 is about 47152.3532922801. The cubic root of 2223344421 is about 1305.1755064083.

Adding to 2223344421 its reverse (1244433222), we get a palindrome (3467777643).

The spelling of 2223344421 in words is "two billion, two hundred twenty-three million, three hundred forty-four thousand, four hundred twenty-one".