22324004 has 6 divisors (see below), whose sum is σ = 39067014. Its totient is φ = 11162000.

The previous prime is 22323979. The next prime is 22324021. The reversal of 22324004 is 40042322.

It can be written as a sum of positive squares in only one way, i.e., 14212900 + 8111104 = 3770^2 + 2848^2 .

It is a super-3 number, since 3×22324004³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2790497 + ... + 2790504.

It is an arithmetic number, because the mean of its divisors is an integer number (6511169).

Almost surely, 2^22324004 is an apocalyptic number.

It is an amenable number.

22324004 is a deficient number, since it is larger than the sum of its proper divisors (16743010).

22324004 is a wasteful number, since it uses less digits than its factorization.

22324004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581005 (or 5581003 counting only the distinct ones).

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

The square root of 22324004 is about 4724.8284624947. The cubic root of 22324004 is about 281.5727984927.

Adding to 22324004 its reverse (40042322), we get a palindrome (62366326).

The spelling of 22324004 in words is "twenty-two million, three hundred twenty-four thousand, four".