4223642331 has 16 divisors (see below), whose sum is σ = 5895912960. Its totient is φ = 2685906720.

The previous prime is 4223642309. The next prime is 4223642359. The reversal of 4223642331 is 1332463224.

It is a de Polignac number, because none of the positive numbers 2^k-4223642331 is a prime.

It is a super-2 number, since 2×4223642331² = 35678309080430227122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4223642431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285235 + ... + 299676.

It is an arithmetic number, because the mean of its divisors is an integer number (368494560).

Almost surely, 2^4223642331 is an apocalyptic number.

4223642331 is a deficient number, since it is larger than the sum of its proper divisors (1672270629).

4223642331 is a wasteful number, since it uses less digits than its factorization.

4223642331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585026.

The product of its digits is 20736, while the sum is 30.

The square root of 4223642331 is about 64989.5555531810. Note that the first 5 decimals coincide. The cubic root of 4223642331 is about 1616.4503811316.

The spelling of 4223642331 in words is "four billion, two hundred twenty-three million, six hundred forty-two thousand, three hundred thirty-one".