222143422 has 12 divisors (see below), whose sum is σ = 345104136. Its totient is φ = 107240840.

The previous prime is 222143401. The next prime is 222143429. The reversal of 222143422 is 224341222.

It is a junction number, because it is equal to n+sod(n) for n = 222143393 and 222143402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222143429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64354 + ... + 67717.

It is an arithmetic number, because the mean of its divisors is an integer number (28758678).

Almost surely, 2^222143422 is an apocalyptic number.

222143422 is a deficient number, since it is larger than the sum of its proper divisors (122960714).

222143422 is a wasteful number, since it uses less digits than its factorization.

222143422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132131 (or 132102 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 222143422 is about 14904.4765758479. The cubic root of 222143422 is about 605.6352610599.

Adding to 222143422 its reverse (224341222), we get a palindrome (446484644).

The spelling of 222143422 in words is "two hundred twenty-two million, one hundred forty-three thousand, four hundred twenty-two".