22542048 has 72 divisors (see below), whose sum is σ = 66339000. Its totient is φ = 7252224.

The previous prime is 22542043. The next prime is 22542049. The reversal of 22542048 is 84024522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22542043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7003 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (921375).

Almost surely, 2^22542048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22542048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33169500).

22542048 is an abundant number, since it is smaller than the sum of its proper divisors (43796952).

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

22542048 is a wasteful number, since it uses less digits than its factorization.

22542048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744 (or 2733 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 22542048 is about 4747.8466698073. The cubic root of 22542048 is about 282.4865600414.

The spelling of 22542048 in words is "twenty-two million, five hundred forty-two thousand, forty-eight".