22354242 has 8 divisors (see below), whose sum is σ = 44708496. Its totient is φ = 7451412.

The previous prime is 22354237. The next prime is 22354259. The reversal of 22354242 is 24245322.

It is a happy number.

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

22354242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1862848 + ... + 1862859.

It is an arithmetic number, because the mean of its divisors is an integer number (5588562).

Almost surely, 2^22354242 is an apocalyptic number.

22354242 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.

22354242 is a wasteful number, since it uses less digits than its factorization.

22354242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725712.

The product of its digits is 3840, while the sum is 24.

The square root of 22354242 is about 4728.0272841852. The cubic root of 22354242 is about 281.6998718289.

Adding to 22354242 its reverse (24245322), we get a palindrome (46599564).

The spelling of 22354242 in words is "twenty-two million, three hundred fifty-four thousand, two hundred forty-two".