22031341040 has 80 divisors (see below), whose sum is σ = 53074504800. Its totient is φ = 8499618816.

The previous prime is 22031341037. The next prime is 22031341049. The reversal of 22031341040 is 4014313022.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031341049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206126 + ... + 294194.

It is an arithmetic number, because the mean of its divisors is an integer number (663431310).

Almost surely, 2^22031341040 is an apocalyptic number.

22031341040 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 22031341040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26537252400).

22031341040 is an abundant number, since it is smaller than the sum of its proper divisors (31043163760).

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

22031341040 is a wasteful number, since it uses less digits than its factorization.

22031341040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88194 (or 88188 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22031341040 its reverse (4014313022), we get a palindrome (26045654062).

The spelling of 22031341040 in words is "twenty-two billion, thirty-one million, three hundred forty-one thousand, forty".