22643256374 has 8 divisors (see below), whose sum is σ = 34882854528. Its totient is φ = 11015638200.

The previous prime is 22643256359. The next prime is 22643256431. The reversal of 22643256374 is 47365234622.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152994902 + ... + 152995049.

It is an arithmetic number, because the mean of its divisors is an integer number (4360356816).

Almost surely, 2^22643256374 is an apocalyptic number.

22643256374 is a deficient number, since it is larger than the sum of its proper divisors (12239598154).

22643256374 is a wasteful number, since it uses less digits than its factorization.

22643256374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305989990.

The product of its digits is 1451520, while the sum is 44.

The spelling of 22643256374 in words is "twenty-two billion, six hundred forty-three million, two hundred fifty-six thousand, three hundred seventy-four".