22052125481 has 2 divisors, whose sum is σ = 22052125482. Its totient is φ = 22052125480.

The previous prime is 22052125411. The next prime is 22052125519. The reversal of 22052125481 is 18452125022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12032115481 + 10020010000 = 109691^2 + 100100^2 .

It is a cyclic number.

It is not a de Polignac number, because 22052125481 - 2²² = 22047931177 is a prime.

It is a super-2 number, since 2×22052125481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22052125411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026062740 + 11026062741.

It is an arithmetic number, because the mean of its divisors is an integer number (11026062741).

Almost surely, 2^22052125481 is an apocalyptic number.

It is an amenable number.

22052125481 is a deficient number, since it is larger than the sum of its proper divisors (1).

22052125481 is an equidigital number, since it uses as much as digits as its factorization.

22052125481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12800, while the sum is 32.

The spelling of 22052125481 in words is "twenty-two billion, fifty-two million, one hundred twenty-five thousand, four hundred eighty-one".