22342407 has 8 divisors (see below), whose sum is σ = 31085184. Its totient is φ = 14247288.

The previous prime is 22342399. The next prime is 22342421. The reversal of 22342407 is 70424322.

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

It is not a de Polignac number, because 22342407 - 2³ = 22342399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22342427) 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 7 ways as a sum of consecutive naturals, for example, 161833 + ... + 161970.

It is an arithmetic number, because the mean of its divisors is an integer number (3885648).

Almost surely, 2^22342407 is an apocalyptic number.

22342407 is a deficient number, since it is larger than the sum of its proper divisors (8742777).

22342407 is a wasteful number, since it uses less digits than its factorization.

22342407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323829.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 22342407 is about 4726.7755394137. The cubic root of 22342407 is about 281.6501496253.

Adding to 22342407 its reverse (70424322), we get a palindrome (92766729).

The spelling of 22342407 in words is "twenty-two million, three hundred forty-two thousand, four hundred seven".