22140021423031 has 2 divisors, whose sum is σ = 22140021423032. Its totient is φ = 22140021423030.

The previous prime is 22140021423007. The next prime is 22140021423041. The reversal of 22140021423031 is 13032412004122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22140021423031 - 2¹³ = 22140021414839 is a prime.

It is a super-2 number, since 2×22140021423031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22140021422987 and 22140021423005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22140021423041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11070010711515 + 11070010711516.

It is an arithmetic number, because the mean of its divisors is an integer number (11070010711516).

Almost surely, 2^{22140021423031} is an apocalyptic number.

22140021423031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22140021423031 is an equidigital number, since it uses as much as digits as its factorization.

22140021423031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 22140021423031 its reverse (13032412004122), we get a palindrome (35172433427153).

The spelling of 22140021423031 in words is "twenty-two trillion, one hundred forty billion, twenty-one million, four hundred twenty-three thousand, thirty-one".