2252222025040 has 40 divisors (see below), whose sum is σ = 5639217457608. Its totient is φ = 831589670400.

The previous prime is 2252222025037. The next prime is 2252222025047. The reversal of 2252222025040 is 405202222522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 263546703424 + 1988675321616 = 513368^2 + 1410204^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252222025047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1082798011 + ... + 1082800090.

Almost surely, 2^{2252222025040} is an apocalyptic number.

2252222025040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252222025040 is an abundant number, since it is smaller than the sum of its proper divisors (3386995432568).

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

2252222025040 is a wasteful number, since it uses less digits than its factorization.

2252222025040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165598127 (or 2165598121 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 2252222025040 its reverse (405202222522), we get a palindrome (2657424247562).

The spelling of 2252222025040 in words is "two trillion, two hundred fifty-two billion, two hundred twenty-two million, twenty-five thousand, forty".