422420243 has 8 divisors (see below), whose sum is σ = 483484512. Its totient is φ = 361535616.

The previous prime is 422420239. The next prime is 422420249. The reversal of 422420243 is 342024224.

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 422420243 - 2² = 422420239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422420249) 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, 39830 + ... + 49307.

It is an arithmetic number, because the mean of its divisors is an integer number (60435564).

Almost surely, 2^422420243 is an apocalyptic number.

422420243 is a deficient number, since it is larger than the sum of its proper divisors (61064269).

422420243 is an equidigital number, since it uses as much as digits as its factorization.

422420243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89821.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 422420243 is about 20552.8645935305. The cubic root of 422420243 is about 750.3229678653.

Adding to 422420243 its reverse (342024224), we get a palindrome (764444467).

The spelling of 422420243 in words is "four hundred twenty-two million, four hundred twenty thousand, two hundred forty-three".