22234423444 has 12 divisors (see below), whose sum is σ = 38943029664. Its totient is φ = 11107843544.

The previous prime is 22234423427. The next prime is 22234423469. The reversal of 22234423444 is 44432443222.

It is a super-2 number, since 2×22234423444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336704 + ... + 2346199.

It is an arithmetic number, because the mean of its divisors is an integer number (3245252472).

Almost surely, 2^22234423444 is an apocalyptic number.

It is an amenable number.

22234423444 is a deficient number, since it is larger than the sum of its proper divisors (16708606220).

22234423444 is a wasteful number, since it uses less digits than its factorization.

22234423444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684094 (or 4684092 counting only the distinct ones).

The product of its digits is 147456, while the sum is 34.

Adding to 22234423444 its reverse (44432443222), we get a palindrome (66666866666).

The spelling of 22234423444 in words is "twenty-two billion, two hundred thirty-four million, four hundred twenty-three thousand, four hundred forty-four".