4220002231 has 4 divisors (see below), whose sum is σ = 4220487232. Its totient is φ = 4219517232.

The previous prime is 4220002223. The next prime is 4220002291. The reversal of 4220002231 is 1322000224.

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

It is a cyclic number.

It is not a de Polignac number, because 4220002231 - 2³ = 4220002223 is a prime.

It is a super-2 number, since 2×4220002231² = 35616837659289954722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4220002291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 229206 + ... + 246931.

It is an arithmetic number, because the mean of its divisors is an integer number (1055121808).

Almost surely, 2^4220002231 is an apocalyptic number.

4220002231 is a deficient number, since it is larger than the sum of its proper divisors (485001).

4220002231 is an equidigital number, since it uses as much as digits as its factorization.

4220002231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485000.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4220002231 is about 64961.5442473468. The cubic root of 4220002231 is about 1615.9858742955.

Adding to 4220002231 its reverse (1322000224), we get a palindrome (5542002455).

It can be divided in two parts, 422000223 and 1, that added together give a palindrome (422000224).

The spelling of 4220002231 in words is "four billion, two hundred twenty million, two thousand, two hundred thirty-one".