2212525044 has 90 divisors (see below), whose sum is σ = 6144485270. Its totient is φ = 694096128.

The previous prime is 2212525033. The next prime is 2212525057. The reversal of 2212525044 is 4405252122.

2212525044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 267715044 + 1944810000 = 16362^2 + 44100^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2212524999 and 2212525017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 81822 + ... + 105450.

Almost surely, 2^2212525044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212525044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3072242635).

2212525044 is an abundant number, since it is smaller than the sum of its proper divisors (3931960226).

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

2212525044 is a wasteful number, since it uses less digits than its factorization.

2212525044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23679 (or 23651 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2212525044 is about 47037.4855195301. The cubic root of 2212525044 is about 1303.0549541978.

Adding to 2212525044 its reverse (4405252122), we get a palindrome (6617777166).

The spelling of 2212525044 in words is "two billion, two hundred twelve million, five hundred twenty-five thousand, forty-four".