421222104 has 24 divisors (see below), whose sum is σ = 1140810060. Its totient is φ = 140407344.

The previous prime is 421222103. The next prime is 421222127. The reversal of 421222104 is 401222124.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421222103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2925082 + ... + 2925225.

Almost surely, 2^421222104 is an apocalyptic number.

It is an amenable number.

421222104 is an abundant number, since it is smaller than the sum of its proper divisors (719587956).

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

421222104 is a wasteful number, since it uses less digits than its factorization.

421222104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5850319 (or 5850312 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 421222104 is about 20523.6961583434. The cubic root of 421222104 is about 749.6128989047.

Adding to 421222104 its reverse (401222124), we get a palindrome (822444228).

The spelling of 421222104 in words is "four hundred twenty-one million, two hundred twenty-two thousand, one hundred four".