210225244340 has 24 divisors (see below), whose sum is σ = 443714001192. Its totient is φ = 83663242880.

The previous prime is 210225244319. The next prime is 210225244343. The reversal of 210225244340 is 43442522012.

It can be written as a sum of positive squares in 4 ways, for example, as 90650370724 + 119574873616 = 301082^2 + 345796^2 .

It is a super-3 number, since 3×210225244340³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210225244343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26674391 + ... + 26682270.

It is an arithmetic number, because the mean of its divisors is an integer number (18488083383).

Almost surely, 2^210225244340 is an apocalyptic number.

210225244340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210225244340 is an abundant number, since it is smaller than the sum of its proper divisors (233488756852).

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

210225244340 is a wasteful number, since it uses less digits than its factorization.

210225244340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53356867 (or 53356865 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 210225244340 its reverse (43442522012), we get a palindrome (253667766352).

The spelling of 210225244340 in words is "two hundred ten billion, two hundred twenty-five million, two hundred forty-four thousand, three hundred forty".