22244455000 has 80 divisors (see below), whose sum is σ = 52518157560. Its totient is φ = 8829600000.

The previous prime is 22244454979. The next prime is 22244455027. The reversal of 22244455000 is 55444222.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 22244455000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 638020 + ... + 671980.

Almost surely, 2^22244455000 is an apocalyptic number.

22244455000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22244455000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26259078780).

22244455000 is an abundant number, since it is smaller than the sum of its proper divisors (30273702560).

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

22244455000 is a wasteful number, since it uses less digits than its factorization.

22244455000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34118 (or 34099 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 22244455000 its reverse (55444222), we get a palindrome (22299899222).

The spelling of 22244455000 in words is "twenty-two billion, two hundred forty-four million, four hundred fifty-five thousand".