212572266 has 32 divisors (see below), whose sum is σ = 448372800. Its totient is φ = 67000320.

The previous prime is 212572253. The next prime is 212572271. The reversal of 212572266 is 662275212.

212572266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71620 + ... + 74528.

It is an arithmetic number, because the mean of its divisors is an integer number (14011650).

Almost surely, 2^212572266 is an apocalyptic number.

212572266 is an abundant number, since it is smaller than the sum of its proper divisors (235800534).

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

212572266 is a wasteful number, since it uses less digits than its factorization.

212572266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574.

The product of its digits is 20160, while the sum is 33.

The square root of 212572266 is about 14579.8582297634. The cubic root of 212572266 is about 596.8092339882.

The spelling of 212572266 in words is "two hundred twelve million, five hundred seventy-two thousand, two hundred sixty-six".