142222612249 has 4 divisors (see below), whose sum is σ = 144022898560. Its totient is φ = 140422325940.

The previous prime is 142222612237. The next prime is 142222612271. The reversal of 142222612249 is 942216222241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142222612249 - 2²⁵ = 142189057817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142222612349) 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, 900143037 + ... + 900143194.

It is an arithmetic number, because the mean of its divisors is an integer number (36005724640).

Almost surely, 2^142222612249 is an apocalyptic number.

It is an amenable number.

142222612249 is a deficient number, since it is larger than the sum of its proper divisors (1800286311).

142222612249 is an equidigital number, since it uses as much as digits as its factorization.

142222612249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800286310.

The product of its digits is 55296, while the sum is 37.

The spelling of 142222612249 in words is "one hundred forty-two billion, two hundred twenty-two million, six hundred twelve thousand, two hundred forty-nine".