22345004 has 24 divisors (see below), whose sum is σ = 45169488. Its totient is φ = 9559040.

The previous prime is 22344997. The next prime is 22345009. The reversal of 22345004 is 40054322.

It is not an unprimeable number, because it can be changed into a prime (22345009) 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, 14189 + ... + 15684.

It is an arithmetic number, because the mean of its divisors is an integer number (1882062).

Almost surely, 2^22345004 is an apocalyptic number.

It is an amenable number.

22345004 is an abundant number, since it is smaller than the sum of its proper divisors (22824484).

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

22345004 is a wasteful number, since it uses less digits than its factorization.

22345004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29905 (or 29903 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 22345004 is about 4727.0502430163. The cubic root of 22345004 is about 281.6610618650.

Adding to 22345004 its reverse (40054322), we get a palindrome (62399326).

The spelling of 22345004 in words is "twenty-two million, three hundred forty-five thousand, four".