1226568167 has 12 divisors (see below), whose sum is σ = 1384654488. Its totient is φ = 1084921200.

The previous prime is 1226568157. The next prime is 1226568191. The reversal of 1226568167 is 7618656221.

It is not a de Polignac number, because 1226568167 - 2⁴ = 1226568151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226568157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132509 + ... + 141462.

It is an arithmetic number, because the mean of its divisors is an integer number (115387874).

Almost surely, 2^1226568167 is an apocalyptic number.

1226568167 is a deficient number, since it is larger than the sum of its proper divisors (158086321).

1226568167 is a wasteful number, since it uses less digits than its factorization.

1226568167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274030 (or 274019 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 1226568167 is about 35022.3952207727. The cubic root of 1226568167 is about 1070.4438624910.

The spelling of 1226568167 in words is "one billion, two hundred twenty-six million, five hundred sixty-eight thousand, one hundred sixty-seven".