142222612250 has 32 divisors (see below), whose sum is σ = 270753312960. Its totient is φ = 55924818000.

The previous prime is 142222612237. The next prime is 142222612271. The reversal of 142222612250 is 52216222241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4806356 + ... + 4835855.

It is an arithmetic number, because the mean of its divisors is an integer number (8461041030).

Almost surely, 2^142222612250 is an apocalyptic number.

142222612250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142222612250 is a deficient number, since it is larger than the sum of its proper divisors (128530700710).

142222612250 is an equidigital number, since it uses as much as digits as its factorization.

142222612250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9642287 (or 9642277 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 142222612250 its reverse (52216222241), we get a palindrome (194438834491).

The spelling of 142222612250 in words is "one hundred forty-two billion, two hundred twenty-two million, six hundred twelve thousand, two hundred fifty".