225126212 has 48 divisors (see below), whose sum is σ = 425476800. Its totient is φ = 103910400.

The previous prime is 225126197. The next prime is 225126227. The reversal of 225126212 is 212621522.

225126212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225126197) and next prime (225126227).

It is a super-2 number, since 2×225126212² = 101363622658937888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561212 + ... + 561612.

It is an arithmetic number, because the mean of its divisors is an integer number (8864100).

Almost surely, 2^225126212 is an apocalyptic number.

It is an amenable number.

225126212 is a deficient number, since it is larger than the sum of its proper divisors (200350588).

225126212 is a wasteful number, since it uses less digits than its factorization.

225126212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 594 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 225126212 is about 15004.2064768517. The cubic root of 225126212 is about 608.3339037629. Note that the first 3 decimals are identical.

Adding to 225126212 its reverse (212621522), we get a palindrome (437747734).

The spelling of 225126212 in words is "two hundred twenty-five million, one hundred twenty-six thousand, two hundred twelve".