1153222215 has 16 divisors (see below), whose sum is σ = 1845691488. Its totient is φ = 614873216.

The previous prime is 1153222199. The next prime is 1153222237. The reversal of 1153222215 is 5122223511.

It is a cyclic number.

It is not a de Polignac number, because 1153222215 - 2⁴ = 1153222199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54757 + ... + 72833.

It is an arithmetic number, because the mean of its divisors is an integer number (115355718).

Almost surely, 2^1153222215 is an apocalyptic number.

1153222215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1153222215 is a deficient number, since it is larger than the sum of its proper divisors (692469273).

1153222215 is a wasteful number, since it uses less digits than its factorization.

1153222215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22338.

The product of its digits is 1200, while the sum is 24.

The square root of 1153222215 is about 33959.1256512885. The cubic root of 1153222215 is about 1048.6671569116.

Adding to 1153222215 its reverse (5122223511), we get a palindrome (6275445726).

The spelling of 1153222215 in words is "one billion, one hundred fifty-three million, two hundred twenty-two thousand, two hundred fifteen".