22553004004 has 6 divisors (see below), whose sum is σ = 39467757014. Its totient is φ = 11276502000.

The previous prime is 22553003959. The next prime is 22553004017. The reversal of 22553004004 is 40040035522.

It can be written as a sum of positive squares in only one way, i.e., 19141275904 + 3411728100 = 138352^2 + 58410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22553004004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2819125497 + ... + 2819125504.

Almost surely, 2^22553004004 is an apocalyptic number.

It is an amenable number.

22553004004 is a deficient number, since it is larger than the sum of its proper divisors (16914753010).

22553004004 is a wasteful number, since it uses less digits than its factorization.

22553004004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5638251005 (or 5638251003 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 22553004004 its reverse (40040035522), we get a palindrome (62593039526).

The spelling of 22553004004 in words is "twenty-two billion, five hundred fifty-three million, four thousand, four".