212275449 has 12 divisors (see below), whose sum is σ = 310502400. Its totient is φ = 139725144.

The previous prime is 212275433. The next prime is 212275463. The reversal of 212275449 is 944572212.

212275449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212275449 - 2⁴ = 212275433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212275249) 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, 148569 + ... + 149990.

It is an arithmetic number, because the mean of its divisors is an integer number (25875200).

Almost surely, 2^212275449 is an apocalyptic number.

It is an amenable number.

212275449 is a deficient number, since it is larger than the sum of its proper divisors (98226951).

212275449 is a wasteful number, since it uses less digits than its factorization.

212275449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298644 (or 298641 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 212275449 is about 14569.6756655733. The cubic root of 212275449 is about 596.5313274943.

The spelling of 212275449 in words is "two hundred twelve million, two hundred seventy-five thousand, four hundred forty-nine".