1226431450 has 12 divisors (see below), whose sum is σ = 2281162590. Its totient is φ = 490572560.

The previous prime is 1226431433. The next prime is 1226431457. The reversal of 1226431450 is 541346221.

It can be written as a sum of positive squares in 3 ways, for example, as 1158517369 + 67914081 = 34037^2 + 8241^2 .

It is not an unprimeable number, because it can be changed into a prime (1226431457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12264265 + ... + 12264364.

Almost surely, 2^1226431450 is an apocalyptic number.

1226431450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226431450 is a deficient number, since it is larger than the sum of its proper divisors (1054731140).

1226431450 is a wasteful number, since it uses less digits than its factorization.

1226431450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24528641 (or 24528636 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1226431450 is about 35020.4433152980. The cubic root of 1226431450 is about 1070.4040893757.

Adding to 1226431450 its reverse (541346221), we get a palindrome (1767777671).

The spelling of 1226431450 in words is "one billion, two hundred twenty-six million, four hundred thirty-one thousand, four hundred fifty".