43570222057 has 2 divisors, whose sum is σ = 43570222058. Its totient is φ = 43570222056.

The previous prime is 43570222027. The next prime is 43570222081. The reversal of 43570222057 is 75022207534.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38203047936 + 5367174121 = 195456^2 + 73261^2 .

It is a cyclic number.

It is not a de Polignac number, because 43570222057 - 2¹¹ = 43570220009 is a prime.

It is a super-2 number, since 2×43570222057² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43570222027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21785111028 + 21785111029.

It is an arithmetic number, because the mean of its divisors is an integer number (21785111029).

Almost surely, 2^43570222057 is an apocalyptic number.

It is an amenable number.

43570222057 is a deficient number, since it is larger than the sum of its proper divisors (1).

43570222057 is an equidigital number, since it uses as much as digits as its factorization.

43570222057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 37.

The spelling of 43570222057 in words is "forty-three billion, five hundred seventy million, two hundred twenty-two thousand, fifty-seven".