22052121413440 has 56 divisors (see below), whose sum is σ = 53792385223752. Its totient is φ = 8605705912320.

The previous prime is 22052121413431. The next prime is 22052121413461. The reversal of 22052121413440 is 4431412125022.

It can be written as a sum of positive squares in 4 ways, for example, as 25694807616 + 22026426605824 = 160296^2 + 4693232^2 .

It is a super-3 number, since 3×22052121413440³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840387849 + ... + 840414088.

It is an arithmetic number, because the mean of its divisors is an integer number (960578307567).

Almost surely, 2^{22052121413440} is an apocalyptic number.

22052121413440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22052121413440 is an abundant number, since it is smaller than the sum of its proper divisors (31740263810312).

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

22052121413440 is a wasteful number, since it uses less digits than its factorization.

22052121413440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680801995 (or 1680801985 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 22052121413440 its reverse (4431412125022), we get a palindrome (26483533538462).

The spelling of 22052121413440 in words is "twenty-two trillion, fifty-two billion, one hundred twenty-one million, four hundred thirteen thousand, four hundred forty".