142222526 has 8 divisors (see below), whose sum is σ = 213388344. Its totient is φ = 71093080.

The previous prime is 142222523. The next prime is 142222541. The reversal of 142222526 is 625222241.

142222526 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 junction number, because it is equal to n+sod(n) for n = 142222495 and 142222504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142222523) 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, 5141 + ... + 17631.

It is an arithmetic number, because the mean of its divisors is an integer number (26673543).

Almost surely, 2^142222526 is an apocalyptic number.

142222526 is a deficient number, since it is larger than the sum of its proper divisors (71165818).

142222526 is a wasteful number, since it uses less digits than its factorization.

142222526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18186.

The product of its digits is 3840, while the sum is 26.

The square root of 142222526 is about 11925.7086162626. The cubic root of 142222526 is about 521.9827237961.

Adding to 142222526 its reverse (625222241), we get a palindrome (767444767).

The spelling of 142222526 in words is "one hundred forty-two million, two hundred twenty-two thousand, five hundred twenty-six".