212266474 has 16 divisors (see below), whose sum is σ = 364128768. Its totient is φ = 90910512.

The previous prime is 212266469. The next prime is 212266489. The reversal of 212266474 is 474662212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21364 + ... + 29680.

It is an arithmetic number, because the mean of its divisors is an integer number (22758048).

Almost surely, 2^212266474 is an apocalyptic number.

212266474 is a deficient number, since it is larger than the sum of its proper divisors (151862294).

212266474 is a wasteful number, since it uses less digits than its factorization.

212266474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10149.

The product of its digits is 32256, while the sum is 34.

The square root of 212266474 is about 14569.3676595795. The cubic root of 212266474 is about 596.5229202666.

The spelling of 212266474 in words is "two hundred twelve million, two hundred sixty-six thousand, four hundred seventy-four".