421422412 has 12 divisors (see below), whose sum is σ = 742873320. Its totient is φ = 209172896.

The previous prime is 421422373. The next prime is 421422431. The reversal of 421422412 is 214224124.

It is a nude number because it is divisible by every one of its digits.

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, 383962 + ... + 385057.

It is an arithmetic number, because the mean of its divisors is an integer number (61906110).

Almost surely, 2^421422412 is an apocalyptic number.

It is an amenable number.

421422412 is a deficient number, since it is larger than the sum of its proper divisors (321450908).

421422412 is a wasteful number, since it uses less digits than its factorization.

421422412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769160 (or 769158 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 421422412 is about 20528.5754985581. The cubic root of 421422412 is about 749.7317037380.

Adding to 421422412 its reverse (214224124), we get a palindrome (635646536).

The spelling of 421422412 in words is "four hundred twenty-one million, four hundred twenty-two thousand, four hundred twelve".