212220248 has 16 divisors (see below), whose sum is σ = 421319880. Its totient is φ = 99868288.

The previous prime is 212220247. The next prime is 212220259. The reversal of 212220248 is 842022212.

It is a super-2 number, since 2×212220248² = 90074867322363008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212220247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 780086 + ... + 780357.

Almost surely, 2^212220248 is an apocalyptic number.

It is an amenable number.

212220248 is a deficient number, since it is larger than the sum of its proper divisors (209099632).

212220248 is a wasteful number, since it uses less digits than its factorization.

212220248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560466 (or 1560462 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 212220248 is about 14567.7811625518. The cubic root of 212220248 is about 596.4796148403.

The spelling of 212220248 in words is "two hundred twelve million, two hundred twenty thousand, two hundred forty-eight".