22855242 has 16 divisors (see below), whose sum is σ = 48399552. Its totient is φ = 7170240.

The previous prime is 22855223. The next prime is 22855247. The reversal of 22855242 is 24255822.

It is not an unprimeable number, because it can be changed into a prime (22855247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111934 + ... + 112137.

It is an arithmetic number, because the mean of its divisors is an integer number (3024972).

Almost surely, 2^22855242 is an apocalyptic number.

22855242 is an abundant number, since it is smaller than the sum of its proper divisors (25544310).

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

22855242 is a wasteful number, since it uses less digits than its factorization.

22855242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224093.

The product of its digits is 12800, while the sum is 30.

The square root of 22855242 is about 4780.7156368059. The cubic root of 22855242 is about 283.7888150955.

The spelling of 22855242 in words is "twenty-two million, eight hundred fifty-five thousand, two hundred forty-two".