4002212 has 12 divisors (see below), whose sum is σ = 7027020. Its totient is φ = 1994496.

The previous prime is 4002209. The next prime is 4002221. The reversal of 4002212 is 2122004.

It can be written as a sum of positive squares in 2 ways, for example, as 376996 + 3625216 = 614^2 + 1904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4002193 and 4002202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137 + ... + 2832.

It is an arithmetic number, because the mean of its divisors is an integer number (585585).

Almost surely, 2^4002212 is an apocalyptic number.

It is an amenable number.

4002212 is a deficient number, since it is larger than the sum of its proper divisors (3024808).

4002212 is a wasteful number, since it uses less digits than its factorization.

4002212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310 (or 3308 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4002212 is about 2000.5529235689. The cubic root of 4002212 is about 158.7693608974.

Adding to 4002212 its reverse (2122004), we get a palindrome (6124216).

The spelling of 4002212 in words is "four million, two thousand, two hundred twelve".