4222566431242 has 4 divisors (see below), whose sum is σ = 6333849646866. Its totient is φ = 2111283215620.

The previous prime is 4222566431219. The next prime is 4222566431243. The reversal of 4222566431242 is 2421346652224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4132597028641 + 89969402601 = 2032879^2 + 299949^2 .

It is not an unprimeable number, because it can be changed into a prime (4222566431243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055641607809 + ... + 1055641607812.

Almost surely, 2^{4222566431242} is an apocalyptic number.

4222566431242 is a deficient number, since it is larger than the sum of its proper divisors (2111283215624).

4222566431242 is a wasteful number, since it uses less digits than its factorization.

4222566431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111283215623.

The product of its digits is 1105920, while the sum is 43.

The spelling of 4222566431242 in words is "four trillion, two hundred twenty-two billion, five hundred sixty-six million, four hundred thirty-one thousand, two hundred forty-two".