212223002 has 32 divisors (see below), whose sum is σ = 343239120. Its totient is φ = 98058240.

The previous prime is 212222947. The next prime is 212223007. The reversal of 212223002 is 200322212.

It can be written as a sum of positive squares in 8 ways, for example, as 192071881 + 20151121 = 13859^2 + 4489^2 .

It is not an unprimeable number, because it can be changed into a prime (212223007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755102 + ... + 755382.

Almost surely, 2^212223002 is an apocalyptic number.

212223002 is a deficient number, since it is larger than the sum of its proper divisors (131016118).

212223002 is a wasteful number, since it uses less digits than its factorization.

212223002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 212223002 is about 14567.8756859056. The cubic root of 212223002 is about 596.4821950178.

Adding to 212223002 its reverse (200322212), we get a palindrome (412545214).

The spelling of 212223002 in words is "two hundred twelve million, two hundred twenty-three thousand, two".