4015212223 has 4 divisors (see below), whose sum is σ = 4380231528. Its totient is φ = 3650192920.

The previous prime is 4015212199. The next prime is 4015212239. The reversal of 4015212223 is 3222125104.

It is a happy number.

4015212223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4015212223 - 2⁵ = 4015212191 is a prime.

It is a super-2 number, since 2×4015212223² = 32243858391457203458, 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 = 4015212194 and 4015212203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015218223) 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, 182509636 + ... + 182509657.

It is an arithmetic number, because the mean of its divisors is an integer number (1095057882).

Almost surely, 2^4015212223 is an apocalyptic number.

4015212223 is a deficient number, since it is larger than the sum of its proper divisors (365019305).

4015212223 is a wasteful number, since it uses less digits than its factorization.

4015212223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365019304.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4015212223 is about 63365.7022607656. The cubic root of 4015212223 is about 1589.4108312492.

Adding to 4015212223 its reverse (3222125104), we get a palindrome (7237337327).

The spelling of 4015212223 in words is "four billion, fifteen million, two hundred twelve thousand, two hundred twenty-three".