2415112221 has 8 divisors (see below), whose sum is σ = 3220827840. Its totient is φ = 1609735712.

The previous prime is 2415112207. The next prime is 2415112261. The reversal of 2415112221 is 1222115142.

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 2415112221 - 2¹⁰ = 2415111197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2415112261) 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, 67665 + ... + 96998.

It is an arithmetic number, because the mean of its divisors is an integer number (402603480).

Almost surely, 2^2415112221 is an apocalyptic number.

It is an amenable number.

2415112221 is a deficient number, since it is larger than the sum of its proper divisors (805715619).

2415112221 is a wasteful number, since it uses less digits than its factorization.

2415112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169555.

The product of its digits is 320, while the sum is 21.

The square root of 2415112221 is about 49143.7912762131. The cubic root of 2415112221 is about 1341.6701942442.

Adding to 2415112221 its reverse (1222115142), we get a palindrome (3637227363).

The spelling of 2415112221 in words is "two billion, four hundred fifteen million, one hundred twelve thousand, two hundred twenty-one".