422451143 has 8 divisors (see below), whose sum is σ = 441045216. Its totient is φ = 403876000.

The previous prime is 422451137. The next prime is 422451223. The reversal of 422451143 is 341154224.

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

It is a cyclic number.

It is not a de Polignac number, because 422451143 - 2¹⁴ = 422434759 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 (422451103) 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, 59693 + ... + 66393.

It is an arithmetic number, because the mean of its divisors is an integer number (55130652).

Almost surely, 2^422451143 is an apocalyptic number.

422451143 is a deficient number, since it is larger than the sum of its proper divisors (18594073).

422451143 is a wasteful number, since it uses less digits than its factorization.

422451143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9465.

The product of its digits is 3840, while the sum is 26.

The square root of 422451143 is about 20553.6162998145. The cubic root of 422451143 is about 750.3412627702.

The spelling of 422451143 in words is "four hundred twenty-two million, four hundred fifty-one thousand, one hundred forty-three".