22402211440 has 160 divisors (see below), whose sum is σ = 63048107520. Its totient is φ = 7231306752.

The previous prime is 22402211437. The next prime is 22402211501. The reversal of 22402211440 is 4411220422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1727862 + ... + 1740778.

It is an arithmetic number, because the mean of its divisors is an integer number (394050672).

Almost surely, 2^22402211440 is an apocalyptic number.

22402211440 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 22402211440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31524053760).

22402211440 is an abundant number, since it is smaller than the sum of its proper divisors (40645896080).

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

22402211440 is a wasteful number, since it uses less digits than its factorization.

22402211440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13119 (or 13113 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22402211440 its reverse (4411220422), we get a palindrome (26813431862).

The spelling of 22402211440 in words is "twenty-two billion, four hundred two million, two hundred eleven thousand, four hundred forty".