223422030 has 128 divisors (see below), whose sum is σ = 654272640. Its totient is φ = 53913600.

The previous prime is 223422029. The next prime is 223422047. The reversal of 223422030 is 30224322.

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

It is a junction number, because it is equal to n+sod(n) for n = 223421994 and 223422012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 185430 + ... + 186630.

It is an arithmetic number, because the mean of its divisors is an integer number (5111505).

Almost surely, 2^223422030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223422030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327136320).

223422030 is an abundant number, since it is smaller than the sum of its proper divisors (430850610).

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

223422030 is a wasteful number, since it uses less digits than its factorization.

223422030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1283 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 223422030 is about 14947.3084533638. The cubic root of 223422030 is about 606.7950059896.

Adding to 223422030 its reverse (30224322), we get a palindrome (253646352).

The spelling of 223422030 in words is "two hundred twenty-three million, four hundred twenty-two thousand, thirty".