1226342209 has 8 divisors (see below), whose sum is σ = 1300393440. Its totient is φ = 1152503616.

The previous prime is 1226342207. The next prime is 1226342239. The reversal of 1226342209 is 9022436221.

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

It is a cyclic number.

It is not a de Polignac number, because 1226342209 - 2¹ = 1226342207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226342207) 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, 41199 + ... + 64420.

It is an arithmetic number, because the mean of its divisors is an integer number (162549180).

Almost surely, 2^1226342209 is an apocalyptic number.

It is an amenable number.

1226342209 is a deficient number, since it is larger than the sum of its proper divisors (74051231).

1226342209 is a wasteful number, since it uses less digits than its factorization.

1226342209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106319.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1226342209 is about 35019.1691649017. The cubic root of 1226342209 is about 1070.3781261776.

The spelling of 1226342209 in words is "one billion, two hundred twenty-six million, three hundred forty-two thousand, two hundred nine".