421912030 has 16 divisors (see below), whose sum is σ = 759848544. Its totient is φ = 168674400.

The previous prime is 421912027. The next prime is 421912037. The reversal of 421912030 is 30219124.

It is a super-2 number, since 2×421912030² = 356019522117441800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421911992 and 421912010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421912037) 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, 10255 + ... + 30805.

It is an arithmetic number, because the mean of its divisors is an integer number (47490534).

Almost surely, 2^421912030 is an apocalyptic number.

421912030 is a deficient number, since it is larger than the sum of its proper divisors (337936514).

421912030 is a wasteful number, since it uses less digits than its factorization.

421912030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22611.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 421912030 is about 20540.4973162774. The cubic root of 421912030 is about 750.0219430617.

The spelling of 421912030 in words is "four hundred twenty-one million, nine hundred twelve thousand, thirty".