1226361146 has 4 divisors (see below), whose sum is σ = 1839541722. Its totient is φ = 613180572.

The previous prime is 1226361139. The next prime is 1226361163. The reversal of 1226361146 is 6411636221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 753777025 + 472584121 = 27455^2 + 21739^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306590285 + ... + 306590288.

Almost surely, 2^1226361146 is an apocalyptic number.

1226361146 is a deficient number, since it is larger than the sum of its proper divisors (613180576).

1226361146 is an equidigital number, since it uses as much as digits as its factorization.

1226361146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613180575.

The product of its digits is 10368, while the sum is 32.

The square root of 1226361146 is about 35019.4395443445. The cubic root of 1226361146 is about 1070.3836356909.

Adding to 1226361146 its reverse (6411636221), we get a palindrome (7637997367).

The spelling of 1226361146 in words is "one billion, two hundred twenty-six million, three hundred sixty-one thousand, one hundred forty-six".