4223748442 has 8 divisors (see below), whose sum is σ = 6554092500. Its totient is φ = 2039050944.

The previous prime is 4223748439. The next prime is 4223748457. The reversal of 4223748442 is 2448473224.

It can be written as a sum of positive squares in 2 ways, for example, as 4213437921 + 10310521 = 64911^2 + 3211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4223748395 and 4223748404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36411567 + ... + 36411682.

Almost surely, 2^4223748442 is an apocalyptic number.

4223748442 is a deficient number, since it is larger than the sum of its proper divisors (2330344058).

4223748442 is a wasteful number, since it uses less digits than its factorization.

4223748442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72823280.

The product of its digits is 344064, while the sum is 40.

The square root of 4223748442 is about 64990.3719176925. The cubic root of 4223748442 is about 1616.4639177678.

The spelling of 4223748442 in words is "four billion, two hundred twenty-three million, seven hundred forty-eight thousand, four hundred forty-two".