142222325 has 12 divisors (see below), whose sum is σ = 201549600. Its totient is φ = 97523760.

The previous prime is 142222321. The next prime is 142222343. The reversal of 142222325 is 523222241.

It is not a de Polignac number, because 142222325 - 2² = 142222321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142222325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142222321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406175 + ... + 406524.

It is an arithmetic number, because the mean of its divisors is an integer number (16795800).

Almost surely, 2^142222325 is an apocalyptic number.

It is an amenable number.

142222325 is a deficient number, since it is larger than the sum of its proper divisors (59327275).

142222325 is an equidigital number, since it uses as much as digits as its factorization.

142222325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812716 (or 812711 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 142222325 is about 11925.7001890874. The cubic root of 142222325 is about 521.9824778938.

Adding to 142222325 its reverse (523222241), we get a palindrome (665444566).

The spelling of 142222325 in words is "one hundred forty-two million, two hundred twenty-two thousand, three hundred twenty-five".