4400212 has 12 divisors (see below), whose sum is σ = 8153460. Its totient is φ = 2070656.

The previous prime is 4400203. The next prime is 4400213. The reversal of 4400212 is 2120044.

It can be written as a sum of positive squares in 2 ways, for example, as 3632836 + 767376 = 1906^2 + 876^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4400192 and 4400201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32287 + ... + 32422.

It is an arithmetic number, because the mean of its divisors is an integer number (679455).

Almost surely, 2^4400212 is an apocalyptic number.

It is an amenable number.

4400212 is a deficient number, since it is larger than the sum of its proper divisors (3753248).

4400212 is a wasteful number, since it uses less digits than its factorization.

4400212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64730 (or 64728 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4400212 is about 2097.6682292488. The cubic root of 4400212 is about 163.8668858371.

Adding to 4400212 its reverse (2120044), we get a palindrome (6520256).

The spelling of 4400212 in words is "four million, four hundred thousand, two hundred twelve".