22551344 has 10 divisors (see below), whose sum is σ = 43693260. Its totient is φ = 11275664.

The previous prime is 22551343. The next prime is 22551359. The reversal of 22551344 is 44315522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22551343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704714 + ... + 704745.

It is an arithmetic number, because the mean of its divisors is an integer number (4369326).

Almost surely, 2^22551344 is an apocalyptic number.

It is an amenable number.

22551344 is a deficient number, since it is larger than the sum of its proper divisors (21141916).

22551344 is a wasteful number, since it uses less digits than its factorization.

22551344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409467 (or 1409461 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 22551344 is about 4748.8255390149. The cubic root of 22551344 is about 282.5253857679.

Adding to 22551344 its reverse (44315522), we get a palindrome (66866866).

The spelling of 22551344 in words is "twenty-two million, five hundred fifty-one thousand, three hundred forty-four".