22075230731 has 16 divisors (see below), whose sum is σ = 23422348800. Its totient is φ = 20747016000.

The previous prime is 22075230719. The next prime is 22075230761. The reversal of 22075230731 is 13703257022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22075230731 is a prime.

It is a super-2 number, since 2×22075230731² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22075230761) 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, 2316266 + ... + 2325776.

It is an arithmetic number, because the mean of its divisors is an integer number (1463896800).

Almost surely, 2^22075230731 is an apocalyptic number.

22075230731 is a deficient number, since it is larger than the sum of its proper divisors (1347118069).

22075230731 is a wasteful number, since it uses less digits than its factorization.

22075230731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10490.

The product of its (nonzero) digits is 17640, while the sum is 32.

Adding to 22075230731 its reverse (13703257022), we get a palindrome (35778487753).

The spelling of 22075230731 in words is "twenty-two billion, seventy-five million, two hundred thirty thousand, seven hundred thirty-one".