22256016510749 has 8 divisors (see below), whose sum is σ = 25532160170880. Its totient is φ = 19004051033136.

The previous prime is 22256016510743. The next prime is 22256016510773. The reversal of 22256016510749 is 94701561065222.

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 22256016510749 - 2¹⁶ = 22256016445213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22256016510697 and 22256016510706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22256016510743) 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, 6044543654 + ... + 6044547335.

It is an arithmetic number, because the mean of its divisors is an integer number (3191520021360).

Almost surely, 2^{22256016510749} is an apocalyptic number.

It is an amenable number.

22256016510749 is a deficient number, since it is larger than the sum of its proper divisors (3276143660131).

22256016510749 is a wasteful number, since it uses less digits than its factorization.

22256016510749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12089091259.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 22256016510749 in words is "twenty-two trillion, two hundred fifty-six billion, sixteen million, five hundred ten thousand, seven hundred forty-nine".