421310022 has 16 divisors (see below), whose sum is σ = 962994432. Its totient is φ = 120374280.

The previous prime is 421310011. The next prime is 421310027. The reversal of 421310022 is 220013124.

It is a junction number, because it is equal to n+sod(n) for n = 421309983 and 421310010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421310027) 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, 5015554 + ... + 5015637.

It is an arithmetic number, because the mean of its divisors is an integer number (60187152).

Almost surely, 2^421310022 is an apocalyptic number.

421310022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

421310022 is an abundant number, since it is smaller than the sum of its proper divisors (541684410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421310022 is a wasteful number, since it uses less digits than its factorization.

421310022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031203.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 421310022 is about 20525.8379122510. The cubic root of 421310022 is about 749.6650486546.

Adding to 421310022 its reverse (220013124), we get a palindrome (641323146).

The spelling of 421310022 in words is "four hundred twenty-one million, three hundred ten thousand, twenty-two".