1418226773 has 4 divisors (see below), whose sum is σ = 1418955648. Its totient is φ = 1417497900.

The previous prime is 1418226737. The next prime is 1418226779. The reversal of 1418226773 is 3776228141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1418226773 - 2¹⁴ = 1418210389 is a prime.

It is a super-2 number, since 2×1418226773² = 4022734359307987058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1418226773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1418226779) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 361511 + ... + 365412.

It is an arithmetic number, because the mean of its divisors is an integer number (354738912).

Almost surely, 2^1418226773 is an apocalyptic number.

It is an amenable number.

1418226773 is a deficient number, since it is larger than the sum of its proper divisors (728875).

1418226773 is an equidigital number, since it uses as much as digits as its factorization.

1418226773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728874.

The product of its digits is 112896, while the sum is 41.

The square root of 1418226773 is about 37659.3517336664. The cubic root of 1418226773 is about 1123.5228080063.

The spelling of 1418226773 in words is "one billion, four hundred eighteen million, two hundred twenty-six thousand, seven hundred seventy-three".