2252041220 has 48 divisors (see below), whose sum is σ = 5556091968. Its totient is φ = 755928960.

The previous prime is 2252041219. The next prime is 2252041247. The reversal of 2252041220 is 221402522.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2252041192 and 2252041201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390854 + ... + 396573.

It is an arithmetic number, because the mean of its divisors is an integer number (115751916).

Almost surely, 2^2252041220 is an apocalyptic number.

2252041220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252041220 is an abundant number, since it is smaller than the sum of its proper divisors (3304050748).

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

2252041220 is a wasteful number, since it uses less digits than its factorization.

2252041220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787460 (or 787458 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2252041220 is about 47455.6763728008. The cubic root of 2252041220 is about 1310.7668373160.

Adding to 2252041220 its reverse (221402522), we get a palindrome (2473443742).

The spelling of 2252041220 in words is "two billion, two hundred fifty-two million, forty-one thousand, two hundred twenty".