142222252225 has 6 divisors (see below), whose sum is σ = 176355592790. Its totient is φ = 113777801760.

The previous prime is 142222252219. The next prime is 142222252231. The reversal of 142222252225 is 522252222241.

It is an interprime number because it is at equal distance from previous prime (142222252219) and next prime (142222252231).

It can be written as a sum of positive squares in 3 ways, for example, as 22778053776 + 119444198449 = 150924^2 + 345607^2 .

It is not a de Polignac number, because 142222252225 - 2³ = 142222252217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2844445020 + ... + 2844445069.

Almost surely, 2^142222252225 is an apocalyptic number.

It is an amenable number.

142222252225 is a deficient number, since it is larger than the sum of its proper divisors (34133340565).

142222252225 is an equidigital number, since it uses as much as digits as its factorization.

142222252225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5688890099 (or 5688890094 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

Adding to 142222252225 its reverse (522252222241), we get a palindrome (664474474466).

The spelling of 142222252225 in words is "one hundred forty-two billion, two hundred twenty-two million, two hundred fifty-two thousand, two hundred twenty-five".