22426242 has 32 divisors (see below), whose sum is σ = 47295360. Its totient is φ = 7075200.

The previous prime is 22426241. The next prime is 22426253. The reversal of 22426242 is 24262422.

It is not an unprimeable number, because it can be changed into a prime (22426241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13134 + ... + 14742.

It is an arithmetic number, because the mean of its divisors is an integer number (1477980).

Almost surely, 2^22426242 is an apocalyptic number.

22426242 is an abundant number, since it is smaller than the sum of its proper divisors (24869118).

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

22426242 is a wasteful number, since it uses less digits than its factorization.

22426242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1738.

The product of its digits is 3072, while the sum is 24.

The square root of 22426242 is about 4735.6353322442. The cubic root of 22426242 is about 282.0019868076.

Adding to 22426242 its reverse (24262422), we get a palindrome (46688664).

The spelling of 22426242 in words is "twenty-two million, four hundred twenty-six thousand, two hundred forty-two".