212272254 has 24 divisors (see below), whose sum is σ = 463015800. Its totient is φ = 70281648.

The previous prime is 212272231. The next prime is 212272259. The reversal of 212272254 is 452272212.

212272254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212272259) 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, 36892 + ... + 42255.

It is an arithmetic number, because the mean of its divisors is an integer number (19292325).

Almost surely, 2^212272254 is an apocalyptic number.

212272254 is an abundant number, since it is smaller than the sum of its proper divisors (250743546).

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

212272254 is a wasteful number, since it uses less digits than its factorization.

212272254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79304 (or 79301 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 212272254 is about 14569.5660196177. The cubic root of 212272254 is about 596.5283346421.

The spelling of 212272254 in words is "two hundred twelve million, two hundred seventy-two thousand, two hundred fifty-four".