223507422 has 48 divisors (see below), whose sum is σ = 507405600. Its totient is φ = 70969536.

The previous prime is 223507387. The next prime is 223507423. The reversal of 223507422 is 224705322.

223507422 is a `hidden beast` number, since 2 + 235 + 0 + 7 + 422 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223507423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113704 + ... + 115652.

It is an arithmetic number, because the mean of its divisors is an integer number (10570950).

Almost surely, 2^223507422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223507422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253702800).

223507422 is an abundant number, since it is smaller than the sum of its proper divisors (283898178).

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

223507422 is a wasteful number, since it uses less digits than its factorization.

223507422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257 (or 2254 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 223507422 is about 14950.1646144783. The cubic root of 223507422 is about 606.8723019173.

The spelling of 223507422 in words is "two hundred twenty-three million, five hundred seven thousand, four hundred twenty-two".