421223010 has 32 divisors (see below), whose sum is σ = 1088700480. Its totient is φ = 103685568.

The previous prime is 421223003. The next prime is 421223021. The reversal of 421223010 is 10322124.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 539640 + ... + 540419.

It is an arithmetic number, because the mean of its divisors is an integer number (34021890).

Almost surely, 2^421223010 is an apocalyptic number.

421223010 is an abundant number, since it is smaller than the sum of its proper divisors (667477470).

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

421223010 is a wasteful number, since it uses less digits than its factorization.

421223010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080082.

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

The square root of 421223010 is about 20523.7182303792. The cubic root of 421223010 is about 749.6134363478.

Adding to 421223010 its reverse (10322124), we get a palindrome (431545134).

The spelling of 421223010 in words is "four hundred twenty-one million, two hundred twenty-three thousand, ten".