222142534 has 8 divisors (see below), whose sum is σ = 333534600. Its totient is φ = 110964336.

The previous prime is 222142511. The next prime is 222142573. The reversal of 222142534 is 435241222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222142499 and 222142508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50844 + ... + 55039.

It is an arithmetic number, because the mean of its divisors is an integer number (41691825).

Almost surely, 2^222142534 is an apocalyptic number.

222142534 is a deficient number, since it is larger than the sum of its proper divisors (111392066).

222142534 is a wasteful number, since it uses less digits than its factorization.

222142534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106934.

The product of its digits is 3840, while the sum is 25.

The square root of 222142534 is about 14904.4467861105. The cubic root of 222142534 is about 605.6344540665.

Adding to 222142534 its reverse (435241222), we get a palindrome (657383756).

The spelling of 222142534 in words is "two hundred twenty-two million, one hundred forty-two thousand, five hundred thirty-four".