22640754751 has 8 divisors (see below), whose sum is σ = 23974557120. Its totient is φ = 21307173888.

The previous prime is 22640754739. The next prime is 22640754757. The reversal of 22640754751 is 15745704622.

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

It is a cyclic number.

It is not a de Polignac number, because 22640754751 - 2¹¹ = 22640752703 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22640754698 and 22640754707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22640754757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184890 + ... + 281896.

It is an arithmetic number, because the mean of its divisors is an integer number (2996819640).

Almost surely, 2^22640754751 is an apocalyptic number.

22640754751 is a deficient number, since it is larger than the sum of its proper divisors (1333802369).

22640754751 is a wasteful number, since it uses less digits than its factorization.

22640754751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110753.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 22640754751 in words is "twenty-two billion, six hundred forty million, seven hundred fifty-four thousand, seven hundred fifty-one".