422784012 has 24 divisors (see below), whose sum is σ = 1127424256. Its totient is φ = 120795408.

The previous prime is 422783987. The next prime is 422784013. The reversal of 422784012 is 210487224.

It is a super-2 number, since 2×422784012² = 357492641605632288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422784013) 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, 2516488 + ... + 2516655.

Almost surely, 2^422784012 is an apocalyptic number.

422784012 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

422784012 is an abundant number, since it is smaller than the sum of its proper divisors (704640244).

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

422784012 is a wasteful number, since it uses less digits than its factorization.

422784012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033157 (or 5033155 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 422784012 is about 20561.7122827842. The cubic root of 422784012 is about 750.5382873477.

The spelling of 422784012 in words is "four hundred twenty-two million, seven hundred eighty-four thousand, twelve".