25772212 has 12 divisors (see below), whose sum is σ = 45719716. Its totient is φ = 12709440.

The previous prime is 25772207. The next prime is 25772267. The reversal of 25772212 is 21227752.

It can be written as a sum of positive squares in 2 ways, for example, as 5934096 + 19838116 = 2436^2 + 4454^2 .

It is a super-2 number, since 2×25772212² = 1328413822745888, which contains 22 as substring.

It is a congruent number.

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, 43839 + ... + 44422.

Almost surely, 2^25772212 is an apocalyptic number.

It is an amenable number.

25772212 is a deficient number, since it is larger than the sum of its proper divisors (19947504).

25772212 is a wasteful number, since it uses less digits than its factorization.

25772212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88338 (or 88336 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 25772212 is about 5076.6339241667. The cubic root of 25772212 is about 295.3819127093.

Adding to 25772212 its reverse (21227752), we get a palindrome (46999964).

The spelling of 25772212 in words is "twenty-five million, seven hundred seventy-two thousand, two hundred twelve".