212266245 has 8 divisors (see below), whose sum is σ = 339626016. Its totient is φ = 113208656.

The previous prime is 212266237. The next prime is 212266253. The reversal of 212266245 is 542662212.

It is a happy number.

212266245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212266237) and next prime (212266253).

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

It is a cyclic number.

It is not a de Polignac number, because 212266245 - 2³ = 212266237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7075527 + ... + 7075556.

It is an arithmetic number, because the mean of its divisors is an integer number (42453252).

Almost surely, 2^212266245 is an apocalyptic number.

It is an amenable number.

212266245 is a deficient number, since it is larger than the sum of its proper divisors (127359771).

212266245 is a wasteful number, since it uses less digits than its factorization.

212266245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14151091.

The product of its digits is 11520, while the sum is 30.

The square root of 212266245 is about 14569.3598006227. The cubic root of 212266245 is about 596.5227057504.

The spelling of 212266245 in words is "two hundred twelve million, two hundred sixty-six thousand, two hundred forty-five".