1226231001 has 16 divisors (see below), whose sum is σ = 1834629120. Its totient is φ = 809391600.

The previous prime is 1226230991. The next prime is 1226231033. The reversal of 1226231001 is 1001326221.

It is not a de Polignac number, because 1226231001 - 2⁶ = 1226230937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1226231051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 222105 + ... + 227558.

It is an arithmetic number, because the mean of its divisors is an integer number (114664320).

Almost surely, 2^1226231001 is an apocalyptic number.

It is an amenable number.

1226231001 is a deficient number, since it is larger than the sum of its proper divisors (608398119).

1226231001 is a wasteful number, since it uses less digits than its factorization.

1226231001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449773 (or 449767 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1226231001 is about 35017.5813128206. The cubic root of 1226231001 is about 1070.3457702799.

Adding to 1226231001 its reverse (1001326221), we get a palindrome (2227557222).

The spelling of 1226231001 in words is "one billion, two hundred twenty-six million, two hundred thirty-one thousand, one".