22071433457 has 2 divisors, whose sum is σ = 22071433458. Its totient is φ = 22071433456.

The previous prime is 22071433411. The next prime is 22071433469. The reversal of 22071433457 is 75433417022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19288765456 + 2782668001 = 138884^2 + 52751^2 .

It is a cyclic number.

It is not a de Polignac number, because 22071433457 - 2¹² = 22071429361 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22071433457.

It is not a weakly prime, because it can be changed into another prime (22071433357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11035716728 + 11035716729.

It is an arithmetic number, because the mean of its divisors is an integer number (11035716729).

Almost surely, 2^22071433457 is an apocalyptic number.

It is an amenable number.

22071433457 is a deficient number, since it is larger than the sum of its proper divisors (1).

22071433457 is an equidigital number, since it uses as much as digits as its factorization.

22071433457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 38.

The spelling of 22071433457 in words is "twenty-two billion, seventy-one million, four hundred thirty-three thousand, four hundred fifty-seven".