22245675844 has 96 divisors (see below), whose sum is σ = 46111887360. Its totient is φ = 9193723392.

The previous prime is 22245675841. The next prime is 22245675883. The reversal of 22245675844 is 44857654222.

It is a super-2 number, since 2×22245675844² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22245675841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33756387 + ... + 33757045.

It is an arithmetic number, because the mean of its divisors is an integer number (480332160).

Almost surely, 2^22245675844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22245675844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23055943680).

22245675844 is an abundant number, since it is smaller than the sum of its proper divisors (23866211516).

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

22245675844 is a wasteful number, since it uses less digits than its factorization.

22245675844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057 (or 1055 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 49.

The spelling of 22245675844 in words is "twenty-two billion, two hundred forty-five million, six hundred seventy-five thousand, eight hundred forty-four".