2002223212 has 36 divisors (see below), whose sum is σ = 4060526904. Its totient is φ = 856560640.

The previous prime is 2002223203. The next prime is 2002223213. The reversal of 2002223212 is 2123222002.

It is a super-4 number, since 4×2002223212⁴ (a number of 38 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (2002223213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66013 + ... + 91444.

It is an arithmetic number, because the mean of its divisors is an integer number (112792414).

Almost surely, 2^2002223212 is an apocalyptic number.

2002223212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2002223212 is an abundant number, since it is smaller than the sum of its proper divisors (2058303692).

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

2002223212 is a wasteful number, since it uses less digits than its factorization.

2002223212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157506 (or 157487 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2002223212 is about 44746.2089120408. The cubic root of 2002223212 is about 1260.3877222852.

Adding to 2002223212 its reverse (2123222002), we get a palindrome (4125445214).

It can be divided in two parts, 20022 and 23212, that added together give a palindrome (43234).

The spelling of 2002223212 in words is "two billion, two million, two hundred twenty-three thousand, two hundred twelve".