22651448 has 16 divisors (see below), whose sum is σ = 42665280. Its totient is φ = 11274048.

The previous prime is 22651441. The next prime is 22651459. The reversal of 22651448 is 84415622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22651441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4565 + ... + 8132.

It is an arithmetic number, because the mean of its divisors is an integer number (2666580).

Almost surely, 2^22651448 is an apocalyptic number.

It is an amenable number.

22651448 is a deficient number, since it is larger than the sum of its proper divisors (20013832).

22651448 is a wasteful number, since it uses less digits than its factorization.

22651448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12926 (or 12922 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 22651448 is about 4759.3537376413. The cubic root of 22651448 is about 282.9428062239.

The spelling of 22651448 in words is "twenty-two million, six hundred fifty-one thousand, four hundred forty-eight".