422223100 has 72 divisors (see below), whose sum is σ = 1018629248. Its totient is φ = 150854400.

The previous prime is 422223091. The next prime is 422223103. The reversal of 422223100 is 1322224.

It is a super-2 number, since 2×422223100² = 356544692347220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422223103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35062 + ... + 45538.

Almost surely, 2^422223100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509314624).

422223100 is an abundant number, since it is smaller than the sum of its proper divisors (596406148).

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

422223100 is a wasteful number, since it uses less digits than its factorization.

422223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10535 (or 10528 counting only the distinct ones).

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

The square root of 422223100 is about 20548.0680357059. The cubic root of 422223100 is about 750.2062247714.

Adding to 422223100 its reverse (1322224), we get a palindrome (423545324).

The spelling of 422223100 in words is "four hundred twenty-two million, two hundred twenty-three thousand, one hundred".