421441022 has 8 divisors (see below), whose sum is σ = 646863096. Its totient is φ = 205819992.

The previous prime is 421441003. The next prime is 421441037. The reversal of 421441022 is 220144124.

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

It is a super-2 number, since 2×421441022² = 355225070048808968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421440985 and 421441003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2450153 + ... + 2450324.

It is an arithmetic number, because the mean of its divisors is an integer number (80857887).

Almost surely, 2^421441022 is an apocalyptic number.

421441022 is a deficient number, since it is larger than the sum of its proper divisors (225422074).

421441022 is a wasteful number, since it uses less digits than its factorization.

421441022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900522.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 421441022 is about 20529.0287641671. The cubic root of 421441022 is about 749.7427396181.

Adding to 421441022 its reverse (220144124), we get a palindrome (641585146).

The spelling of 421441022 in words is "four hundred twenty-one million, four hundred forty-one thousand, twenty-two".