43225052237 has 2 divisors, whose sum is σ = 43225052238. Its totient is φ = 43225052236.

The previous prime is 43225052209. The next prime is 43225052243. The reversal of 43225052237 is 73225052234.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26462830276 + 16762221961 = 162674^2 + 129469^2 .

It is a cyclic number.

It is not a de Polignac number, because 43225052237 - 2⁶ = 43225052173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 43225052197 and 43225052206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43225052287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21612526118 + 21612526119.

It is an arithmetic number, because the mean of its divisors is an integer number (21612526119).

Almost surely, 2^43225052237 is an apocalyptic number.

It is an amenable number.

43225052237 is a deficient number, since it is larger than the sum of its proper divisors (1).

43225052237 is an equidigital number, since it uses as much as digits as its factorization.

43225052237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 35.

The spelling of 43225052237 in words is "forty-three billion, two hundred twenty-five million, fifty-two thousand, two hundred thirty-seven".