212274850 has 24 divisors (see below), whose sum is σ = 395720208. Its totient is φ = 84718800.

The previous prime is 212274841. The next prime is 212274899. The reversal of 212274850 is 58472212.

It is a happy number.

It is a super-2 number, since 2×212274850² = 90121223885045000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18805 + ... + 27895.

It is an arithmetic number, because the mean of its divisors is an integer number (16488342).

Almost surely, 2^212274850 is an apocalyptic number.

212274850 is a deficient number, since it is larger than the sum of its proper divisors (183445358).

212274850 is a wasteful number, since it uses less digits than its factorization.

212274850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9570 (or 9565 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 212274850 is about 14569.6551091644. The cubic root of 212274850 is about 596.5307663954.

The spelling of 212274850 in words is "two hundred twelve million, two hundred seventy-four thousand, eight hundred fifty".