22410400221240 has 64 divisors (see below), whose sum is σ = 67235891909760. Its totient is φ = 5975689726080.

The previous prime is 22410400221211. The next prime is 22410400221247. The reversal of 22410400221240 is 4212200401422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22410400221240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22410400221247) 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, 4786806 + ... + 8230085.

It is an arithmetic number, because the mean of its divisors is an integer number (1050560811090).

Almost surely, 2^{22410400221240} is an apocalyptic number.

22410400221240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22410400221240 is an abundant number, since it is smaller than the sum of its proper divisors (44825491688520).

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

22410400221240 is a wasteful number, since it uses less digits than its factorization.

22410400221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13031252 (or 13031248 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 22410400221240 its reverse (4212200401422), we get a palindrome (26622600622662).

The spelling of 22410400221240 in words is "twenty-two trillion, four hundred ten billion, four hundred million, two hundred twenty-one thousand, two hundred forty".