2212212025 has 12 divisors (see below), whose sum is σ = 2753054572. Its totient is φ = 1763375040.

The previous prime is 2212212011. The next prime is 2212212029. The reversal of 2212212025 is 5202122122.

It can be written as a sum of positive squares in 6 ways, for example, as 641912896 + 1570299129 = 25336^2 + 39627^2 .

It is not a de Polignac number, because 2212212025 - 2¹⁵ = 2212179257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2212211993 and 2212212011.

It is not an unprimeable number, because it can be changed into a prime (2212212029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152802 + ... + 166651.

Almost surely, 2^2212212025 is an apocalyptic number.

2212212025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2212212025 is a deficient number, since it is larger than the sum of its proper divisors (540842547).

2212212025 is a wasteful number, since it uses less digits than its factorization.

2212212025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319740 (or 319735 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 2212212025 is about 47034.1580662395. The cubic root of 2212212025 is about 1302.9935010033.

Adding to 2212212025 its reverse (5202122122), we get a palindrome (7414334147).

The spelling of 2212212025 in words is "two billion, two hundred twelve million, two hundred twelve thousand, twenty-five".