43422101 has 2 divisors, whose sum is σ = 43422102. Its totient is φ = 43422100.

The previous prime is 43422061. The next prime is 43422133. The reversal of 43422101 is 10122434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21808900 + 21613201 = 4670^2 + 4649^2 .

It is a cyclic number.

It is not a de Polignac number, because 43422101 - 2¹⁴ = 43405717 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43422101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43422161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21711050 + 21711051.

It is an arithmetic number, because the mean of its divisors is an integer number (21711051).

Almost surely, 2^43422101 is an apocalyptic number.

It is an amenable number.

43422101 is a deficient number, since it is larger than the sum of its proper divisors (1).

43422101 is an equidigital number, since it uses as much as digits as its factorization.

43422101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 43422101 is about 6589.5448249481. The cubic root of 43422101 is about 351.4824225492.

Adding to 43422101 its reverse (10122434), we get a palindrome (53544535).

The spelling of 43422101 in words is "forty-three million, four hundred twenty-two thousand, one hundred one".