22548942 has 96 divisors (see below), whose sum is σ = 56504448. Its totient is φ = 6695136.

The previous prime is 22548941. The next prime is 22548971. The reversal of 22548942 is 24984522.

22548942 is a `hidden beast` number, since 22 + 548 + 94 + 2 = 666.

Its product of digits (46080) is a multiple of the sum of its prime divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 22548897 and 22548906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22548941) 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 47 ways as a sum of consecutive naturals, for example, 271633 + ... + 271715.

It is an arithmetic number, because the mean of its divisors is an integer number (588588).

Almost surely, 2^22548942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22548942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28252224).

22548942 is an abundant number, since it is smaller than the sum of its proper divisors (33955506).

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

22548942 is a wasteful number, since it uses less digits than its factorization.

22548942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 144 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 22548942 is about 4748.5726276430. The cubic root of 22548942 is about 282.5153545835.

The spelling of 22548942 in words is "twenty-two million, five hundred forty-eight thousand, nine hundred forty-two".