422145383 has 8 divisors (see below), whose sum is σ = 475378176. Its totient is φ = 371388600.

The previous prime is 422145341. The next prime is 422145391. The reversal of 422145383 is 383541224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 422145383 - 2⁸ = 422145127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422145313) 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, 618641 + ... + 619322.

It is an arithmetic number, because the mean of its divisors is an integer number (59422272).

Almost surely, 2^422145383 is an apocalyptic number.

422145383 is a deficient number, since it is larger than the sum of its proper divisors (53232793).

422145383 is a wasteful number, since it uses less digits than its factorization.

422145383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238005.

The product of its digits is 23040, while the sum is 32.

The square root of 422145383 is about 20546.1768463138. The cubic root of 422145383 is about 750.1601927449.

The spelling of 422145383 in words is "four hundred twenty-two million, one hundred forty-five thousand, three hundred eighty-three".