223631422 has 8 divisors (see below), whose sum is σ = 383368176. Its totient is φ = 95842032.

The previous prime is 223631399. The next prime is 223631423. The reversal of 223631422 is 224136322.

223631422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×223631422² = 100022025811484168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223631423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7986823 + ... + 7986850.

It is an arithmetic number, because the mean of its divisors is an integer number (47921022).

Almost surely, 2^223631422 is an apocalyptic number.

223631422 is a deficient number, since it is larger than the sum of its proper divisors (159736754).

223631422 is a wasteful number, since it uses less digits than its factorization.

223631422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15973682.

The product of its digits is 3456, while the sum is 25.

The square root of 223631422 is about 14954.3111509691. The cubic root of 223631422 is about 606.9845103511.

Adding to 223631422 its reverse (224136322), we get a palindrome (447767744).

The spelling of 223631422 in words is "two hundred twenty-three million, six hundred thirty-one thousand, four hundred twenty-two".