22342438 has 8 divisors (see below), whose sum is σ = 33917688. Its totient is φ = 11036544.

The previous prime is 22342433. The next prime is 22342447. The reversal of 22342438 is 83424322.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22342433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67131 + ... + 67462.

It is an arithmetic number, because the mean of its divisors is an integer number (4239711).

Almost surely, 2^22342438 is an apocalyptic number.

22342438 is a deficient number, since it is larger than the sum of its proper divisors (11575250).

22342438 is a wasteful number, since it uses less digits than its factorization.

22342438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134678.

The product of its digits is 9216, while the sum is 28.

The square root of 22342438 is about 4726.7788186036. The cubic root of 22342438 is about 281.6502798881.

The spelling of 22342438 in words is "twenty-two million, three hundred forty-two thousand, four hundred thirty-eight".