422420412 has 48 divisors (see below), whose sum is σ = 1005016320. Its totient is φ = 138052992.

The previous prime is 422420381. The next prime is 422420429. The reversal of 422420412 is 214024224.

It is a super-3 number, since 3×422420412³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436353 + ... + 437319.

It is an arithmetic number, because the mean of its divisors is an integer number (20937840).

Almost surely, 2^422420412 is an apocalyptic number.

It is an amenable number.

422420412 is an abundant number, since it is smaller than the sum of its proper divisors (582595908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422420412 is a wasteful number, since it uses less digits than its factorization.

422420412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 422420412 is about 20552.8687048791. The cubic root of 422420412 is about 750.3230679273.

Adding to 422420412 its reverse (214024224), we get a palindrome (636444636).

The spelling of 422420412 in words is "four hundred twenty-two million, four hundred twenty thousand, four hundred twelve".