22575103021 has 2 divisors, whose sum is σ = 22575103022. Its totient is φ = 22575103020.

The previous prime is 22575103013. The next prime is 22575103043. The reversal of 22575103021 is 12030157522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18114198921 + 4460904100 = 134589^2 + 66790^2 .

It is a cyclic number.

It is not a de Polignac number, because 22575103021 - 2³ = 22575103013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22575104021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11287551510 + 11287551511.

It is an arithmetic number, because the mean of its divisors is an integer number (11287551511).

Almost surely, 2^22575103021 is an apocalyptic number.

It is an amenable number.

22575103021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22575103021 is an equidigital number, since it uses as much as digits as its factorization.

22575103021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 22575103021 in words is "twenty-two billion, five hundred seventy-five million, one hundred three thousand, twenty-one".