403222012 has 24 divisors (see below), whose sum is σ = 712504800. Its totient is φ = 199657920.

The previous prime is 403221961. The next prime is 403222019. The reversal of 403222012 is 210222304.

It is a super-2 number, since 2×403222012² = 325175981922656288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403222019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250113 + ... + 251719.

It is an arithmetic number, because the mean of its divisors is an integer number (29687700).

Almost surely, 2^403222012 is an apocalyptic number.

It is an amenable number.

403222012 is a deficient number, since it is larger than the sum of its proper divisors (309282788).

403222012 is a wasteful number, since it uses less digits than its factorization.

403222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2179 counting only the distinct ones).

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

The square root of 403222012 is about 20080.3887412570. The cubic root of 403222012 is about 738.7793438126.

Adding to 403222012 its reverse (210222304), we get a palindrome (613444316).

The spelling of 403222012 in words is "four hundred three million, two hundred twenty-two thousand, twelve".