1478855822 has 4 divisors (see below), whose sum is σ = 2218283736. Its totient is φ = 739427910.

The previous prime is 1478855813. The next prime is 1478855831. The reversal of 1478855822 is 2285588741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2285588741 = 6971 ⋅327871.

It is an interprime number because it is at equal distance from previous prime (1478855813) and next prime (1478855831).

It is a congruent number.

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, 369713954 + ... + 369713957.

It is an arithmetic number, because the mean of its divisors is an integer number (554570934).

Almost surely, 2^1478855822 is an apocalyptic number.

1478855822 is a deficient number, since it is larger than the sum of its proper divisors (739427914).

1478855822 is an equidigital number, since it uses as much as digits as its factorization.

1478855822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739427913.

The product of its digits is 1433600, while the sum is 50.

The square root of 1478855822 is about 38455.8945026637. The cubic root of 1478855822 is about 1139.3100940059.

The spelling of 1478855822 in words is "one billion, four hundred seventy-eight million, eight hundred fifty-five thousand, eight hundred twenty-two".