424222417 has 4 divisors (see below), whose sum is σ = 424849716. Its totient is φ = 423595120.

The previous prime is 424222399. The next prime is 424222433. The reversal of 424222417 is 714222424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 304188481 + 120033936 = 17441^2 + 10956^2 .

It is a cyclic number.

It is not a de Polignac number, because 424222417 - 2¹⁹ = 423698129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424222457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312634 + ... + 313987.

It is an arithmetic number, because the mean of its divisors is an integer number (106212429).

Almost surely, 2^424222417 is an apocalyptic number.

It is an amenable number.

424222417 is a deficient number, since it is larger than the sum of its proper divisors (627299).

424222417 is an equidigital number, since it uses as much as digits as its factorization.

424222417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627298.

The product of its digits is 7168, while the sum is 28.

The square root of 424222417 is about 20596.6603360836. The cubic root of 424222417 is about 751.3884898011.

The spelling of 424222417 in words is "four hundred twenty-four million, two hundred twenty-two thousand, four hundred seventeen".