22621533031 has 2 divisors, whose sum is σ = 22621533032. Its totient is φ = 22621533030.

The previous prime is 22621532977. The next prime is 22621533047. The reversal of 22621533031 is 13033512622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22621533031 - 2¹⁹ = 22621008743 is a prime.

It is a super-2 number, since 2×22621533031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22621533061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11310766515 + 11310766516.

It is an arithmetic number, because the mean of its divisors is an integer number (11310766516).

Almost surely, 2^22621533031 is an apocalyptic number.

22621533031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22621533031 is an equidigital number, since it uses as much as digits as its factorization.

22621533031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 22621533031 in words is "twenty-two billion, six hundred twenty-one million, five hundred thirty-three thousand, thirty-one".