142224332 has 12 divisors (see below), whose sum is σ = 252043680. Its totient is φ = 70211856.

The previous prime is 142224331. The next prime is 142224361. The reversal of 142224332 is 233422241.

142224332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×142224332² = 40455521225692448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142224298 and 142224307.

It is not an unprimeable number, because it can be changed into a prime (142224331) 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, 224723 + ... + 225354.

It is an arithmetic number, because the mean of its divisors is an integer number (21003640).

Almost surely, 2^142224332 is an apocalyptic number.

It is an amenable number.

142224332 is a deficient number, since it is larger than the sum of its proper divisors (109819348).

142224332 is a wasteful number, since it uses less digits than its factorization.

142224332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450160 (or 450158 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 142224332 is about 11925.7843347932. The cubic root of 142224332 is about 521.9849332371.

Adding to 142224332 its reverse (233422241), we get a palindrome (375646573).

The spelling of 142224332 in words is "one hundred forty-two million, two hundred twenty-four thousand, three hundred thirty-two".