2232220520 has 16 divisors (see below), whose sum is σ = 5022496260. Its totient is φ = 892888192.

The previous prime is 2232220489. The next prime is 2232220553. The reversal of 2232220520 is 250222322.

It can be written as a sum of positive squares in 2 ways, for example, as 2126500996 + 105719524 = 46114^2 + 10282^2 .

It is a super-3 number, since 3×2232220520³ (a number of 29 digits) contains 333 as substring.

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 = 2232220492 and 2232220501.

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, 27902717 + ... + 27902796.

Almost surely, 2^2232220520 is an apocalyptic number.

2232220520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2232220520 is an abundant number, since it is smaller than the sum of its proper divisors (2790275740).

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

2232220520 is a wasteful number, since it uses less digits than its factorization.

2232220520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55805524 (or 55805520 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2232220520 is about 47246.3810254288. The cubic root of 2232220520 is about 1306.9100531749.

Adding to 2232220520 its reverse (250222322), we get a palindrome (2482442842).

The spelling of 2232220520 in words is "two billion, two hundred thirty-two million, two hundred twenty thousand, five hundred twenty".