1222101507169 has 27 divisors (see below), whose sum is σ = 1280712082257. Its totient is φ = 1166147282664.

The previous prime is 1222101507163. The next prime is 1222101507173. The reversal of 1222101507169 is 9617051012221.

The square root of 1222101507169 is 1105487.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1222101507169 - 2¹³ = 1222101498977 is a prime.

It is a super-2 number, since 2×1222101507169² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222101507163) 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 26 ways as a sum of consecutive naturals, for example, 2234188954 + ... + 2234189500.

Almost surely, 2^{1222101507169} is an apocalyptic number.

1222101507169 is the 1105487-th square number.

1222101507169 is the 552744-th centered octagonal number.

It is an amenable number.

1222101507169 is a deficient number, since it is larger than the sum of its proper divisors (58610575088).

1222101507169 is an frugal number, since it uses more digits than its factorization.

1222101507169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 637 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 1222101507169 in words is "one trillion, two hundred twenty-two billion, one hundred one million, five hundred seven thousand, one hundred sixty-nine".