212266630 has 8 divisors (see below), whose sum is σ = 382079952. Its totient is φ = 84906648.

The previous prime is 212266627. The next prime is 212266667. The reversal of 212266630 is 36662212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10613322 + ... + 10613341.

It is an arithmetic number, because the mean of its divisors is an integer number (47759994).

Almost surely, 2^212266630 is an apocalyptic number.

212266630 is a deficient number, since it is larger than the sum of its proper divisors (169813322).

212266630 is a wasteful number, since it uses less digits than its factorization.

212266630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21226670.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 212266630 is about 14569.3730132769. The cubic root of 212266630 is about 596.5230663998.

The spelling of 212266630 in words is "two hundred twelve million, two hundred sixty-six thousand, six hundred thirty".