421022030 has 128 divisors (see below), whose sum is σ = 938843136. Its totient is φ = 133862400.

The previous prime is 421022023. The next prime is 421022057. The reversal of 421022030 is 30220124.

It is a junction number, because it is equal to n+sod(n) for n = 421021996 and 421022014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2521007 + ... + 2521173.

It is an arithmetic number, because the mean of its divisors is an integer number (7334712).

Almost surely, 2^421022030 is an apocalyptic number.

421022030 is an abundant number, since it is smaller than the sum of its proper divisors (517821106).

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

421022030 is a wasteful number, since it uses less digits than its factorization.

421022030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 421022030 is about 20518.8213599125. The cubic root of 421022030 is about 749.4941952551.

Adding to 421022030 its reverse (30220124), we get a palindrome (451242154).

The spelling of 421022030 in words is "four hundred twenty-one million, twenty-two thousand, thirty".