422406436 has 24 divisors (see below), whose sum is σ = 758265984. Its totient is φ = 205773120.

The previous prime is 422406433. The next prime is 422406451. The reversal of 422406436 is 634604224.

It is a junction number, because it is equal to n+sod(n) for n = 422406398 and 422406407.

It is not an unprimeable number, because it can be changed into a prime (422406433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173121 + ... + 175543.

It is an arithmetic number, because the mean of its divisors is an integer number (31594416).

Almost surely, 2^422406436 is an apocalyptic number.

It is an amenable number.

422406436 is a deficient number, since it is larger than the sum of its proper divisors (335859548).

422406436 is a wasteful number, since it uses less digits than its factorization.

422406436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3531 (or 3529 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 422406436 is about 20552.5287008679. The cubic root of 422406436 is about 750.3147928925.

The spelling of 422406436 in words is "four hundred twenty-two million, four hundred six thousand, four hundred thirty-six".