22321020231231 has 16 divisors (see below), whose sum is σ = 30873161679360. Its totient is φ = 14333967910080.

The previous prime is 22321020231221. The next prime is 22321020231239. The reversal of 22321020231231 is 13213202012322.

It is not a de Polignac number, because 22321020231231 - 2¹⁰ = 22321020230207 is a prime.

It is a super-3 number, since 3×22321020231231³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22321020231239) 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, 1148545405 + ... + 1148564838.

It is an arithmetic number, because the mean of its divisors is an integer number (1929572604960).

Almost surely, 2^{22321020231231} is an apocalyptic number.

22321020231231 is a deficient number, since it is larger than the sum of its proper divisors (8552141448129).

22321020231231 is a wasteful number, since it uses less digits than its factorization.

22321020231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297110366.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 22321020231231 its reverse (13213202012322), we get a palindrome (35534222243553).

The spelling of 22321020231231 in words is "twenty-two trillion, three hundred twenty-one billion, twenty million, two hundred thirty-one thousand, two hundred thirty-one".