143222422 has 16 divisors (see below), whose sum is σ = 251235072. Its totient is φ = 59953320.

The previous prime is 143222413. The next prime is 143222473. The reversal of 143222422 is 224222341.

It is a junction number, because it is equal to n+sod(n) for n = 143222393 and 143222402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118354 + ... + 119557.

It is an arithmetic number, because the mean of its divisors is an integer number (15702192).

Almost surely, 2^143222422 is an apocalyptic number.

143222422 is a deficient number, since it is larger than the sum of its proper divisors (108012650).

143222422 is a wasteful number, since it uses less digits than its factorization.

143222422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237963.

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

The square root of 143222422 is about 11967.5570606536. The cubic root of 143222422 is about 523.2031353756.

Adding to 143222422 its reverse (224222341), we get a palindrome (367444763).

The spelling of 143222422 in words is "one hundred forty-three million, two hundred twenty-two thousand, four hundred twenty-two".