423222100 has 36 divisors (see below), whose sum is σ = 1049592544. Its totient is φ = 145104480.

The previous prime is 423222097. The next prime is 423222101. The reversal of 423222100 is 1222324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423222101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301602 + ... + 303001.

Almost surely, 2^423222100 is an apocalyptic number.

It is an amenable number.

423222100 is an abundant number, since it is smaller than the sum of its proper divisors (626370444).

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

423222100 is a wasteful number, since it uses less digits than its factorization.

423222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604624 (or 604617 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 423222100 is about 20572.3625284020. The cubic root of 423222100 is about 750.7974333145.

Adding to 423222100 its reverse (1222324), we get a palindrome (424444424).

The spelling of 423222100 in words is "four hundred twenty-three million, two hundred twenty-two thousand, one hundred".