423421022 has 8 divisors (see below), whose sum is σ = 650622672. Its totient is φ = 206546800.

The previous prime is 423421013. The next prime is 423421049. The reversal of 423421022 is 220124324.

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

It is a junction number, because it is equal to n+sod(n) for n = 423420985 and 423421003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2581754 + ... + 2581917.

It is an arithmetic number, because the mean of its divisors is an integer number (81327834).

Almost surely, 2^423421022 is an apocalyptic number.

423421022 is a deficient number, since it is larger than the sum of its proper divisors (227201650).

423421022 is a wasteful number, since it uses less digits than its factorization.

423421022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5163714.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 423421022 is about 20577.1966506616. The cubic root of 423421022 is about 750.9150443230.

Adding to 423421022 its reverse (220124324), we get a palindrome (643545346).

The spelling of 423421022 in words is "four hundred twenty-three million, four hundred twenty-one thousand, twenty-two".