1215676222 has 16 divisors (see below), whose sum is σ = 1993064832. Its totient is φ = 553628160.

The previous prime is 1215676157. The next prime is 1215676223. The reversal of 1215676222 is 2226765121.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215676223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575643 + ... + 577750.

It is an arithmetic number, because the mean of its divisors is an integer number (124566552).

Almost surely, 2^1215676222 is an apocalyptic number.

1215676222 is a deficient number, since it is larger than the sum of its proper divisors (777388610).

1215676222 is a wasteful number, since it uses less digits than its factorization.

1215676222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153443.

The product of its digits is 20160, while the sum is 34.

The square root of 1215676222 is about 34866.5487537840. The cubic root of 1215676222 is about 1067.2659175544.

The spelling of 1215676222 in words is "one billion, two hundred fifteen million, six hundred seventy-six thousand, two hundred twenty-two".