440422117 has 2 divisors, whose sum is σ = 440422118. Its totient is φ = 440422116.

The previous prime is 440422061. The next prime is 440422139. The reversal of 440422117 is 711224044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 429359841 + 11062276 = 20721^2 + 3326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440422117 is a prime.

It is a super-2 number, since 2×440422117² = 387943282285523378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440422091 and 440422100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440423117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220211058 + 220211059.

It is an arithmetic number, because the mean of its divisors is an integer number (220211059).

Almost surely, 2^440422117 is an apocalyptic number.

It is an amenable number.

440422117 is a deficient number, since it is larger than the sum of its proper divisors (1).

440422117 is an equidigital number, since it uses as much as digits as its factorization.

440422117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 440422117 is about 20986.2363705358. The cubic root of 440422117 is about 760.8336403051.

The spelling of 440422117 in words is "four hundred forty million, four hundred twenty-two thousand, one hundred seventeen".