22535021004 has 48 divisors (see below), whose sum is σ = 53718905856. Its totient is φ = 7349328000.

The previous prime is 22535020901. The next prime is 22535021023. The reversal of 22535021004 is 40012053522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2364609 + ... + 2374119.

It is an arithmetic number, because the mean of its divisors is an integer number (1119143872).

Almost surely, 2^22535021004 is an apocalyptic number.

It is an amenable number.

22535021004 is an abundant number, since it is smaller than the sum of its proper divisors (31183884852).

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

22535021004 is a wasteful number, since it uses less digits than its factorization.

22535021004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13766 (or 13764 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 22535021004 its reverse (40012053522), we get a palindrome (62547074526).

The spelling of 22535021004 in words is "twenty-two billion, five hundred thirty-five million, twenty-one thousand, four".