22211484438 has 96 divisors (see below), whose sum is σ = 54169592832. Its totient is φ = 6012489600.

The previous prime is 22211484437. The next prime is 22211484461. The reversal of 22211484438 is 83448411222.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 22211484396 and 22211484405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211484433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 313656 + ... + 377892.

It is an arithmetic number, because the mean of its divisors is an integer number (564266592).

Almost surely, 2^22211484438 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211484438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27084796416).

22211484438 is an abundant number, since it is smaller than the sum of its proper divisors (31958108394).

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

22211484438 is a wasteful number, since it uses less digits than its factorization.

22211484438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64310 (or 64297 counting only the distinct ones).

The product of its digits is 98304, while the sum is 39.

The spelling of 22211484438 in words is "twenty-two billion, two hundred eleven million, four hundred eighty-four thousand, four hundred thirty-eight".