22650261331 has 4 divisors (see below), whose sum is σ = 22767620392. Its totient is φ = 22532902272.

The previous prime is 22650261329. The next prime is 22650261341. The reversal of 22650261331 is 13316205622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13316205622 = 2 ⋅6658102811.

It is a cyclic number.

It is not a de Polignac number, because 22650261331 - 2¹ = 22650261329 is a prime.

It is a super-2 number, since 2×22650261331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22650261293 and 22650261302.

It is not an unprimeable number, because it can be changed into a prime (22650261311) 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, 58679241 + ... + 58679626.

It is an arithmetic number, because the mean of its divisors is an integer number (5691905098).

Almost surely, 2^22650261331 is an apocalyptic number.

22650261331 is a deficient number, since it is larger than the sum of its proper divisors (117359061).

22650261331 is a wasteful number, since it uses less digits than its factorization.

22650261331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117359060.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 22650261331 its reverse (13316205622), we get a palindrome (35966466953).

The spelling of 22650261331 in words is "twenty-two billion, six hundred fifty million, two hundred sixty-one thousand, three hundred thirty-one".