2234504561220 has 144 divisors (see below), whose sum is σ = 6821200451520. Its totient is φ = 592071545088.

The previous prime is 2234504561197. The next prime is 2234504561227. The reversal of 2234504561220 is 221654054322.

2234504561220 is a `hidden beast` number, since 2 + 2 + 34 + 5 + 0 + 4 + 5 + 612 + 2 + 0 = 666.

It is a super-2 number, since 2×2234504561220² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2234504561227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 195369342 + ... + 195380778.

It is an arithmetic number, because the mean of its divisors is an integer number (47369447580).

Almost surely, 2^{2234504561220} is an apocalyptic number.

2234504561220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2234504561220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3410600225760).

2234504561220 is an abundant number, since it is smaller than the sum of its proper divisors (4586695890300).

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

2234504561220 is a wasteful number, since it uses less digits than its factorization.

2234504561220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18274 (or 18269 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 2234504561220 in words is "two trillion, two hundred thirty-four billion, five hundred four million, five hundred sixty-one thousand, two hundred twenty".