22040412000 has 192 divisors, whose sum is σ = 72337696704. Its totient is φ = 5866598400.

The previous prime is 22040411971. The next prime is 22040412029. The reversal of 22040412000 is 21404022.

It is an interprime number because it is at equal distance from previous prime (22040411971) and next prime (22040412029).

It is a super-2 number, since 2×22040412000² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8122644 + ... + 8125356.

It is an arithmetic number, because the mean of its divisors is an integer number (376758837).

Almost surely, 2^22040412000 is an apocalyptic number.

22040412000 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 22040412000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36168848352).

22040412000 is an abundant number, since it is smaller than the sum of its proper divisors (50297284704).

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

22040412000 is a wasteful number, since it uses less digits than its factorization.

22040412000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3418 (or 3400 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22040412000 its reverse (21404022), we get a palindrome (22061816022).

The spelling of 22040412000 in words is "twenty-two billion, forty million, four hundred twelve thousand".