22422344 has 32 divisors (see below), whose sum is σ = 48211200. Its totient is φ = 9576960.

The previous prime is 22422329. The next prime is 22422347. The reversal of 22422344 is 44322422.

It is not an unprimeable number, because it can be changed into a prime (22422347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23672 + ... + 24600.

It is an arithmetic number, because the mean of its divisors is an integer number (1506600).

Almost surely, 2^22422344 is an apocalyptic number.

It is an amenable number.

22422344 is an abundant number, since it is smaller than the sum of its proper divisors (25788856).

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

22422344 is a wasteful number, since it uses less digits than its factorization.

22422344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 1369 counting only the distinct ones).

The product of its digits is 3072, while the sum is 23.

The square root of 22422344 is about 4735.2237539529. The cubic root of 22422344 is about 281.9856472081.

Adding to 22422344 its reverse (44322422), we get a palindrome (66744766).

The spelling of 22422344 in words is "twenty-two million, four hundred twenty-two thousand, three hundred forty-four".