2220412356 has 36 divisors (see below), whose sum is σ = 5614704732. Its totient is φ = 739874304.

The previous prime is 2220412339. The next prime is 2220412357. The reversal of 2220412356 is 6532140222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2114528256 + 105884100 = 45984^2 + 10290^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2220412357) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 109960 + ... + 128576.

Almost surely, 2^2220412356 is an apocalyptic number.

It is an amenable number.

2220412356 is an abundant number, since it is smaller than the sum of its proper divisors (3394292376).

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

2220412356 is a wasteful number, since it uses less digits than its factorization.

2220412356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21940 (or 21935 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2220412356 is about 47121.2516387245. The cubic root of 2220412356 is about 1304.6015148337.

Adding to 2220412356 its reverse (6532140222), we get a palindrome (8752552578).

The spelling of 2220412356 in words is "two billion, two hundred twenty million, four hundred twelve thousand, three hundred fifty-six".