22981242 has 8 divisors (see below), whose sum is σ = 45962496. Its totient is φ = 7660412.

The previous prime is 22981213. The next prime is 22981243. The reversal of 22981242 is 24218922.

It is a sphenic number, since it is the product of 3 distinct primes.

22981242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22981243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915098 + ... + 1915109.

It is an arithmetic number, because the mean of its divisors is an integer number (5745312).

Almost surely, 2^22981242 is an apocalyptic number.

22981242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22981242 is a wasteful number, since it uses less digits than its factorization.

22981242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830212.

The product of its digits is 4608, while the sum is 30.

The square root of 22981242 is about 4793.8754677192. The cubic root of 22981242 is about 284.3093649916.

The spelling of 22981242 in words is "twenty-two million, nine hundred eighty-one thousand, two hundred forty-two".