22596785890 has 32 divisors (see below), whose sum is σ = 47139542784. Its totient is φ = 7638348480.

The previous prime is 22596785867. The next prime is 22596785921. The reversal of 22596785890 is 9858769522.

It is a super-2 number, since 2×22596785890² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2268349 + ... + 2278288.

It is an arithmetic number, because the mean of its divisors is an integer number (1473110712).

Almost surely, 2^22596785890 is an apocalyptic number.

22596785890 is an abundant number, since it is smaller than the sum of its proper divisors (24542756894).

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

22596785890 is a wasteful number, since it uses less digits than its factorization.

22596785890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4546722.

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 22596785890 in words is "twenty-two billion, five hundred ninety-six million, seven hundred eighty-five thousand, eight hundred ninety".