22001202220031 has 2 divisors, whose sum is σ = 22001202220032. Its totient is φ = 22001202220030.

The previous prime is 22001202220021. The next prime is 22001202220093. The reversal of 22001202220031 is 13002220210022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22001202220031 - 2⁴² = 17603155708927 is a prime.

It is a super-2 number, since 2×22001202220031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22001202219991 and 22001202220009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22001202220021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000601110015 + 11000601110016.

It is an arithmetic number, because the mean of its divisors is an integer number (11000601110016).

Almost surely, 2^{22001202220031} is an apocalyptic number.

22001202220031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22001202220031 is an equidigital number, since it uses as much as digits as its factorization.

22001202220031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22001202220031 its reverse (13002220210022), we get a palindrome (35003422430053).

The spelling of 22001202220031 in words is "twenty-two trillion, one billion, two hundred two million, two hundred twenty thousand, thirty-one".