422145357 has 8 divisors (see below), whose sum is σ = 568433760. Its totient is φ = 278643600.

The previous prime is 422145341. The next prime is 422145391. The reversal of 422145357 is 753541224.

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

It is not a de Polignac number, because 422145357 - 2⁴ = 422145341 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422140357) 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, 696307 + ... + 696912.

It is an arithmetic number, because the mean of its divisors is an integer number (71054220).

Almost surely, 2^422145357 is an apocalyptic number.

It is an amenable number.

422145357 is a deficient number, since it is larger than the sum of its proper divisors (146288403).

422145357 is a wasteful number, since it uses less digits than its factorization.

422145357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393323.

The product of its digits is 33600, while the sum is 33.

The square root of 422145357 is about 20546.1762135926. The cubic root of 422145357 is about 750.1601773441.

The spelling of 422145357 in words is "four hundred twenty-two million, one hundred forty-five thousand, three hundred fifty-seven".