22001230131 has 16 divisors (see below), whose sum is σ = 30462609408. Its totient is φ = 14109336000.

The previous prime is 22001230091. The next prime is 22001230157. The reversal of 22001230131 is 13103210022.

It is not a de Polignac number, because 22001230131 - 2²⁶ = 21934121267 is a prime.

It is a super-2 number, since 2×22001230131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22001230131.

It is not an unprimeable number, because it can be changed into a prime (22001230831) 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, 692770 + ... + 723831.

It is an arithmetic number, because the mean of its divisors is an integer number (1903913088).

Almost surely, 2^22001230131 is an apocalyptic number.

22001230131 is a deficient number, since it is larger than the sum of its proper divisors (8461379277).

22001230131 is a wasteful number, since it uses less digits than its factorization.

22001230131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416802.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 22001230131 its reverse (13103210022), we get a palindrome (35104440153).

The spelling of 22001230131 in words is "twenty-two billion, one million, two hundred thirty thousand, one hundred thirty-one".