212474466 has 24 divisors (see below), whose sum is σ = 487442124. Its totient is φ = 66658560.

The previous prime is 212474459. The next prime is 212474519. The reversal of 212474466 is 664474212.

212474466 is a `hidden beast` number, since 2 + 124 + 74 + 466 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 212139225 + 335241 = 14565^2 + 579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212474466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 346875 + ... + 347486.

Almost surely, 2^212474466 is an apocalyptic number.

212474466 is an abundant number, since it is smaller than the sum of its proper divisors (274967658).

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

212474466 is a wasteful number, since it uses less digits than its factorization.

212474466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694386 (or 694383 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 212474466 is about 14576.5039018278. The cubic root of 212474466 is about 596.7176935162.

The spelling of 212474466 in words is "two hundred twelve million, four hundred seventy-four thousand, four hundred sixty-six".