22643377404 has 24 divisors (see below), whose sum is σ = 52836994560. Its totient is φ = 7547442864.

The previous prime is 22643377391. The next prime is 22643377453. The reversal of 22643377404 is 40477334622.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 442837 + ... + 491315.

It is an arithmetic number, because the mean of its divisors is an integer number (2201541440).

Almost surely, 2^22643377404 is an apocalyptic number.

It is an amenable number.

22643377404 is an abundant number, since it is smaller than the sum of its proper divisors (30193617156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22643377404 is a wasteful number, since it uses less digits than its factorization.

22643377404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87409 (or 87407 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 42.

The spelling of 22643377404 in words is "twenty-two billion, six hundred forty-three million, three hundred seventy-seven thousand, four hundred four".