1222101215 has 8 divisors (see below), whose sum is σ = 1479500208. Its totient is φ = 969028480.

The previous prime is 1222101211. The next prime is 1222101229. The reversal of 1222101215 is 5121012221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222101215 - 2² = 1222101211 is a prime.

It is a super-3 number, since 3×1222101215³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222101193 and 1222101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222101211) 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, 1080941 + ... + 1082070.

It is an arithmetic number, because the mean of its divisors is an integer number (184937526).

Almost surely, 2^1222101215 is an apocalyptic number.

1222101215 is a deficient number, since it is larger than the sum of its proper divisors (257398993).

1222101215 is a wasteful number, since it uses less digits than its factorization.

1222101215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163129.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1222101215 is about 34958.5642582758. The cubic root of 1222101215 is about 1069.1428238505.

Adding to 1222101215 its reverse (5121012221), we get a palindrome (6343113436).

The spelling of 1222101215 in words is "one billion, two hundred twenty-two million, one hundred one thousand, two hundred fifteen".