2250011155220 has 12 divisors (see below), whose sum is σ = 4725023426004. Its totient is φ = 900004462080.

The previous prime is 2250011155157. The next prime is 2250011155261. The reversal of 2250011155220 is 225511100522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 345175050256 + 1904836104964 = 587516^2 + 1380158^2 .

It is a super-2 number, since 2×2250011155220² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2250011155220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56250278861 + ... + 56250278900.

It is an arithmetic number, because the mean of its divisors is an integer number (393751952167).

Almost surely, 2^{2250011155220} is an apocalyptic number.

2250011155220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2250011155220 is an abundant number, since it is smaller than the sum of its proper divisors (2475012270784).

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

2250011155220 is a wasteful number, since it uses less digits than its factorization.

2250011155220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112500557770 (or 112500557768 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

Adding to 2250011155220 its reverse (225511100522), we get a palindrome (2475522255742).

The spelling of 2250011155220 in words is "two trillion, two hundred fifty billion, eleven million, one hundred fifty-five thousand, two hundred twenty".