422013212 has 12 divisors (see below), whose sum is σ = 738712296. Its totient is φ = 210952560.

The previous prime is 422013187. The next prime is 422013257. The reversal of 422013212 is 212310224.

It is a super-2 number, since 2×422013212² = 356190302205113888, which contains 22 as substring.

It is a congruent number.

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, 7787 + ... + 30077.

It is an arithmetic number, because the mean of its divisors is an integer number (61559358).

Almost surely, 2^422013212 is an apocalyptic number.

It is an amenable number.

422013212 is a deficient number, since it is larger than the sum of its proper divisors (316699084).

422013212 is a wasteful number, since it uses less digits than its factorization.

422013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27028 (or 27026 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 422013212 is about 20542.9601567058. The cubic root of 422013212 is about 750.0818944648.

Adding to 422013212 its reverse (212310224), we get a palindrome (634323436).

The spelling of 422013212 in words is "four hundred twenty-two million, thirteen thousand, two hundred twelve".