22223456 has 12 divisors (see below), whose sum is σ = 43752492. Its totient is φ = 11111712.

The previous prime is 22223429. The next prime is 22223473. The reversal of 22223456 is 65432222.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347210 + ... + 347273.

It is an arithmetic number, because the mean of its divisors is an integer number (3646041).

Almost surely, 2^22223456 is an apocalyptic number.

It is an amenable number.

22223456 is a deficient number, since it is larger than the sum of its proper divisors (21529036).

22223456 is an equidigital number, since it uses as much as digits as its factorization.

22223456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694493 (or 694485 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 22223456 is about 4714.1760679890. The cubic root of 22223456 is about 281.1494247134.

Adding to 22223456 its reverse (65432222), we get a palindrome (87655678).

The spelling of 22223456 in words is "twenty-two million, two hundred twenty-three thousand, four hundred fifty-six".