22201602444 has 144 divisors (see below), whose sum is σ = 67975219200. Its totient is φ = 6138491040.

The previous prime is 22201602443. The next prime is 22201602461. The reversal of 22201602444 is 44420610222.

It is a super-2 number, since 2×22201602444² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22201602443) 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, 711237 + ... + 741795.

Almost surely, 2^22201602444 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 22201602444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33987609600).

22201602444 is an abundant number, since it is smaller than the sum of its proper divisors (45773616756).

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

22201602444 is a wasteful number, since it uses less digits than its factorization.

22201602444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30641 (or 30602 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The spelling of 22201602444 in words is "twenty-two billion, two hundred one million, six hundred two thousand, four hundred forty-four".