1015122213 has 20 divisors (see below), whose sum is σ = 1733049120. Its totient is φ = 580069512.

The previous prime is 1015122211. The next prime is 1015122223. The reversal of 1015122213 is 3122215101.

It is not a de Polignac number, because 1015122213 - 2¹ = 1015122211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015122211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 894603 + ... + 895736.

It is an arithmetic number, because the mean of its divisors is an integer number (86652456).

Almost surely, 2^1015122213 is an apocalyptic number.

It is an amenable number.

1015122213 is a deficient number, since it is larger than the sum of its proper divisors (717926907).

1015122213 is an equidigital number, since it uses as much as digits as its factorization.

1015122213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790358 (or 1790349 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1015122213 is about 31860.9826119660. The cubic root of 1015122213 is about 1005.0155399691.

Adding to 1015122213 its reverse (3122215101), we get a palindrome (4137337314).

The spelling of 1015122213 in words is "one billion, fifteen million, one hundred twenty-two thousand, two hundred thirteen".