22345422 has 16 divisors (see below), whose sum is σ = 48753792. Its totient is φ = 6771320.

The previous prime is 22345403. The next prime is 22345441. The reversal of 22345422 is 22454322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22345403) and next prime (22345441).

It is a junction number, because it is equal to n+sod(n) for n = 22345392 and 22345401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169218 + ... + 169349.

It is an arithmetic number, because the mean of its divisors is an integer number (3047112).

Almost surely, 2^22345422 is an apocalyptic number.

22345422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22345422 is an abundant number, since it is smaller than the sum of its proper divisors (26408370).

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

22345422 is a wasteful number, since it uses less digits than its factorization.

22345422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338583.

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

The square root of 22345422 is about 4727.0944564288. The cubic root of 22345422 is about 281.6628181650.

Adding to 22345422 its reverse (22454322), we get a palindrome (44799744).

Subtracting 22345422 from its reverse (22454322), we obtain a square (108900 = 330²).

The spelling of 22345422 in words is "twenty-two million, three hundred forty-five thousand, four hundred twenty-two".