4215522223 has 4 divisors (see below), whose sum is σ = 4598751528. Its totient is φ = 3832292920.

The previous prime is 4215522163. The next prime is 4215522247. The reversal of 4215522223 is 3222255124.

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 4215522223 - 2²¹ = 4213425071 is a prime.

It is a super-2 number, since 2×4215522223² = 35541255225213723458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4215522191 and 4215522200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4215522253) 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, 191614636 + ... + 191614657.

It is an arithmetic number, because the mean of its divisors is an integer number (1149687882).

Almost surely, 2^4215522223 is an apocalyptic number.

4215522223 is a deficient number, since it is larger than the sum of its proper divisors (383229305).

4215522223 is a wasteful number, since it uses less digits than its factorization.

4215522223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383229304.

The product of its digits is 9600, while the sum is 28.

The square root of 4215522223 is about 64927.0530903721. The cubic root of 4215522223 is about 1615.4138214343.

Adding to 4215522223 its reverse (3222255124), we get a palindrome (7437777347).

The spelling of 4215522223 in words is "four billion, two hundred fifteen million, five hundred twenty-two thousand, two hundred twenty-three".