22050710257 has 4 divisors (see below), whose sum is σ = 22051861876. Its totient is φ = 22049558640.

The previous prime is 22050710249. The next prime is 22050710263. The reversal of 22050710257 is 75201705022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75201705022 = 2 ⋅37600852511.

It can be written as a sum of positive squares in 2 ways, for example, as 17571888481 + 4478821776 = 132559^2 + 66924^2 .

It is a cyclic number.

It is not a de Polignac number, because 22050710257 - 2³ = 22050710249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22050710237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546594 + ... + 585547.

It is an arithmetic number, because the mean of its divisors is an integer number (5512965469).

Almost surely, 2^22050710257 is an apocalyptic number.

It is an amenable number.

22050710257 is a deficient number, since it is larger than the sum of its proper divisors (1151619).

22050710257 is a wasteful number, since it uses less digits than its factorization.

22050710257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151618.

The product of its (nonzero) digits is 9800, while the sum is 31.

The spelling of 22050710257 in words is "twenty-two billion, fifty million, seven hundred ten thousand, two hundred fifty-seven".