22621533061 has 2 divisors, whose sum is σ = 22621533062. Its totient is φ = 22621533060.

The previous prime is 22621533059. The next prime is 22621533071. The reversal of 22621533061 is 16033512622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22557036100 + 64496961 = 150190^2 + 8031^2 .

It is a cyclic number.

It is not a de Polignac number, because 22621533061 - 2¹ = 22621533059 is a prime.

Together with 22621533059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22621533031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11310766530 + 11310766531.

It is an arithmetic number, because the mean of its divisors is an integer number (11310766531).

Almost surely, 2^22621533061 is an apocalyptic number.

It is an amenable number.

22621533061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22621533061 is an equidigital number, since it uses as much as digits as its factorization.

22621533061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 22621533061 in words is "twenty-two billion, six hundred twenty-one million, five hundred thirty-three thousand, sixty-one".