22245863444 has 24 divisors (see below), whose sum is σ = 44497934208. Its totient is φ = 9532611360.

The previous prime is 22245863443. The next prime is 22245863459. The reversal of 22245863444 is 44436854222.

It is a super-2 number, since 2×22245863444² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22245863395 and 22245863404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22245863441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 164114 + ... + 267254.

It is an arithmetic number, because the mean of its divisors is an integer number (1854080592).

Almost surely, 2^22245863444 is an apocalyptic number.

It is an amenable number.

22245863444 is an abundant number, since it is smaller than the sum of its proper divisors (22252070764).

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

22245863444 is a wasteful number, since it uses less digits than its factorization.

22245863444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110855 (or 110853 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 44.

The spelling of 22245863444 in words is "twenty-two billion, two hundred forty-five million, eight hundred sixty-three thousand, four hundred forty-four".