1228820234582 has 4 divisors (see below), whose sum is σ = 1843230351876. Its totient is φ = 614410117290.

The previous prime is 1228820234557. The next prime is 1228820234597. The reversal of 1228820234582 is 2854320288221.

It is a happy number.

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 (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307205058644 + ... + 307205058647.

It is an arithmetic number, because the mean of its divisors is an integer number (460807587969).

Almost surely, 2^{1228820234582} is an apocalyptic number.

1228820234582 is a deficient number, since it is larger than the sum of its proper divisors (614410117294).

1228820234582 is an equidigital number, since it uses as much as digits as its factorization.

1228820234582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614410117293.

The product of its (nonzero) digits is 983040, while the sum is 47.

The spelling of 1228820234582 in words is "one trillion, two hundred twenty-eight billion, eight hundred twenty million, two hundred thirty-four thousand, five hundred eighty-two".