4222235431138 has 4 divisors (see below), whose sum is σ = 6333353146710. Its totient is φ = 2111117715568.

The previous prime is 4222235431081. The next prime is 4222235431147. The reversal of 4222235431138 is 8311345322224.

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., 3636332444889 + 585902986249 = 1906917^2 + 765443^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4222235431138.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055558857783 + ... + 1055558857786.

Almost surely, 2^{4222235431138} is an apocalyptic number.

4222235431138 is a deficient number, since it is larger than the sum of its proper divisors (2111117715572).

4222235431138 is a wasteful number, since it uses less digits than its factorization.

4222235431138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111117715571.

The product of its digits is 276480, while the sum is 40.

The spelling of 4222235431138 in words is "four trillion, two hundred twenty-two billion, two hundred thirty-five million, four hundred thirty-one thousand, one hundred thirty-eight".