22945548 has 12 divisors (see below), whose sum is σ = 53539640. Its totient is φ = 7648512.

The previous prime is 22945523. The next prime is 22945591. The reversal of 22945548 is 84554922.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956053 + ... + 956076.

Almost surely, 2^22945548 is an apocalyptic number.

It is an amenable number.

22945548 is an abundant number, since it is smaller than the sum of its proper divisors (30594092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22945548 is a wasteful number, since it uses less digits than its factorization.

22945548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912136 (or 1912134 counting only the distinct ones).

The product of its digits is 115200, while the sum is 39.

The square root of 22945548 is about 4790.1511458408. The cubic root of 22945548 is about 284.1620942019.

It can be divided in two parts, 229455 and 48, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 22945548 in words is "twenty-two million, nine hundred forty-five thousand, five hundred forty-eight".