4220402331 has 8 divisors (see below), whose sum is σ = 5635984464. Its totient is φ = 2809210880.

The previous prime is 4220402327. The next prime is 4220402353. The reversal of 4220402331 is 1332040224.

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

It is a cyclic number.

It is not a de Polignac number, because 4220402331 - 2² = 4220402327 is a prime.

It is a super-2 number, since 2×4220402331² = 35623591671020467122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4220402298 and 4220402307.

It is not an unprimeable number, because it can be changed into a prime (4220402311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095426 + ... + 1099271.

It is an arithmetic number, because the mean of its divisors is an integer number (704498058).

Almost surely, 2^4220402331 is an apocalyptic number.

4220402331 is a deficient number, since it is larger than the sum of its proper divisors (1415582133).

4220402331 is a wasteful number, since it uses less digits than its factorization.

4220402331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195341.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4220402331 is about 64964.6236885892. The cubic root of 4220402331 is about 1616.0369434246.

Adding to 4220402331 its reverse (1332040224), we get a palindrome (5552442555).

The spelling of 4220402331 in words is "four billion, two hundred twenty million, four hundred two thousand, three hundred thirty-one".