422145846 has 12 divisors (see below), whose sum is σ = 914649372. Its totient is φ = 140715276.

The previous prime is 422145827. The next prime is 422145859. The reversal of 422145846 is 648541224.

It is a self number, because there is not a number n which added to its sum of digits gives 422145846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11726256 + ... + 11726291.

It is an arithmetic number, because the mean of its divisors is an integer number (76220781).

Almost surely, 2^422145846 is an apocalyptic number.

422145846 is an abundant number, since it is smaller than the sum of its proper divisors (492503526).

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

422145846 is a wasteful number, since it uses less digits than its factorization.

422145846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23452555 (or 23452552 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 422145846 is about 20546.1881136137. The cubic root of 422145846 is about 750.1604669980.

The spelling of 422145846 in words is "four hundred twenty-two million, one hundred forty-five thousand, eight hundred forty-six".