22342004 has 6 divisors (see below), whose sum is σ = 39098514. Its totient is φ = 11171000.

The previous prime is 22341971. The next prime is 22342009. The reversal of 22342004 is 40024322.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 252004 = 4700^2 + 502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22342009) 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 as a sum of consecutive naturals, namely, 2792747 + ... + 2792754.

It is an arithmetic number, because the mean of its divisors is an integer number (6516419).

Almost surely, 2^22342004 is an apocalyptic number.

It is an amenable number.

22342004 is a deficient number, since it is larger than the sum of its proper divisors (16756510).

22342004 is a wasteful number, since it uses less digits than its factorization.

22342004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585505 (or 5585503 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22342004 is about 4726.7329097380. The cubic root of 22342004 is about 281.6484561985.

Adding to 22342004 its reverse (40024322), we get a palindrome (62366326).

The spelling of 22342004 in words is "twenty-two million, three hundred forty-two thousand, four".