22140548 has 24 divisors (see below), whose sum is σ = 40958400. Its totient is φ = 10443168.

The previous prime is 22140527. The next prime is 22140557. The reversal of 22140548 is 84504122.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23633 + ... + 24551.

It is an arithmetic number, because the mean of its divisors is an integer number (1706600).

Almost surely, 2^22140548 is an apocalyptic number.

It is an amenable number.

22140548 is a deficient number, since it is larger than the sum of its proper divisors (18817852).

22140548 is a wasteful number, since it uses less digits than its factorization.

22140548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 22140548 is about 4705.3743740536. The cubic root of 22140548 is about 280.7993653987.

The spelling of 22140548 in words is "twenty-two million, one hundred forty thousand, five hundred forty-eight".