22736321428 has 12 divisors (see below), whose sum is σ = 39955043520. Its totient is φ = 11320594712.

The previous prime is 22736321383. The next prime is 22736321437. The reversal of 22736321428 is 82412363722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11890426 + ... + 11892337.

It is an arithmetic number, because the mean of its divisors is an integer number (3329586960).

Almost surely, 2^22736321428 is an apocalyptic number.

It is an amenable number.

22736321428 is a deficient number, since it is larger than the sum of its proper divisors (17218722092).

22736321428 is a wasteful number, since it uses less digits than its factorization.

22736321428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23783006 (or 23783004 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The spelling of 22736321428 in words is "twenty-two billion, seven hundred thirty-six million, three hundred twenty-one thousand, four hundred twenty-eight".