22010468257 has 16 divisors (see below), whose sum is σ = 22290729552. Its totient is φ = 21732572160.

The previous prime is 22010468251. The next prime is 22010468321. The reversal of 22010468257 is 75286401022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15948911521 + 6061556736 = 126289^2 + 77856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22010468257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22010468251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23489893 + ... + 23490829.

It is an arithmetic number, because the mean of its divisors is an integer number (1393170597).

Almost surely, 2^22010468257 is an apocalyptic number.

It is an amenable number.

22010468257 is a deficient number, since it is larger than the sum of its proper divisors (280261295).

22010468257 is a wasteful number, since it uses less digits than its factorization.

22010468257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908.

The product of its (nonzero) digits is 53760, while the sum is 37.

Adding to 22010468257 its reverse (75286401022), we get a palindrome (97296869279).

The spelling of 22010468257 in words is "twenty-two billion, ten million, four hundred sixty-eight thousand, two hundred fifty-seven".