1223427862 has 4 divisors (see below), whose sum is σ = 1835141796. Its totient is φ = 611713930.

The previous prime is 1223427859. The next prime is 1223427883. The reversal of 1223427862 is 2687243221.

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

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, 305856964 + ... + 305856967.

It is an arithmetic number, because the mean of its divisors is an integer number (458785449).

Almost surely, 2^1223427862 is an apocalyptic number.

1223427862 is a deficient number, since it is larger than the sum of its proper divisors (611713934).

1223427862 is an equidigital number, since it uses as much as digits as its factorization.

1223427862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611713933.

The product of its digits is 64512, while the sum is 37.

The square root of 1223427862 is about 34977.5336752036. The cubic root of 1223427862 is about 1069.5295518276.

The spelling of 1223427862 in words is "one billion, two hundred twenty-three million, four hundred twenty-seven thousand, eight hundred sixty-two".