22023241240 has 256 divisors, whose sum is σ = 70035840000. Its totient is φ = 6002657280.

The previous prime is 22023241223. The next prime is 22023241271. The reversal of 22023241240 is 4214232022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 746286 + ... + 775234.

It is an arithmetic number, because the mean of its divisors is an integer number (273577500).

Almost surely, 2^22023241240 is an apocalyptic number.

22023241240 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 22023241240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35017920000).

22023241240 is an abundant number, since it is smaller than the sum of its proper divisors (48012598760).

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

22023241240 is a wasteful number, since it uses less digits than its factorization.

22023241240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29010 (or 29006 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22023241240 its reverse (4214232022), we get a palindrome (26237473262).

The spelling of 22023241240 in words is "twenty-two billion, twenty-three million, two hundred forty-one thousand, two hundred forty".