1478227969 has 8 divisors (see below), whose sum is σ = 1483659072. Its totient is φ = 1472807760.

The previous prime is 1478227943. The next prime is 1478227999. The reversal of 1478227969 is 9697228741.

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 1478227969 - 2¹⁷ = 1478096897 is a prime.

It is a super-2 number, since 2×1478227969² = 4370315856667729922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1478227909) 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 7 ways as a sum of consecutive naturals, for example, 345447 + ... + 349699.

It is an arithmetic number, because the mean of its divisors is an integer number (185457384).

Almost surely, 2^1478227969 is an apocalyptic number.

It is an amenable number.

1478227969 is a deficient number, since it is larger than the sum of its proper divisors (5431103).

1478227969 is an equidigital number, since it uses as much as digits as its factorization.

1478227969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5447.

The product of its digits is 3048192, while the sum is 55.

The square root of 1478227969 is about 38447.7303491376. The cubic root of 1478227969 is about 1139.1488385938.

The spelling of 1478227969 in words is "one billion, four hundred seventy-eight million, two hundred twenty-seven thousand, nine hundred sixty-nine".