424222115 has 4 divisors (see below), whose sum is σ = 509066544. Its totient is φ = 339377688.

The previous prime is 424222111. The next prime is 424222129. The reversal of 424222115 is 511222424.

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

It is a cyclic number.

It is not a de Polignac number, because 424222115 - 2² = 424222111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424222111) 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, 42422207 + ... + 42422216.

It is an arithmetic number, because the mean of its divisors is an integer number (127266636).

Almost surely, 2^424222115 is an apocalyptic number.

424222115 is a deficient number, since it is larger than the sum of its proper divisors (84844429).

424222115 is an equidigital number, since it uses as much as digits as its factorization.

424222115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84844428.

The product of its digits is 1280, while the sum is 23.

The square root of 424222115 is about 20596.6530047967. The cubic root of 424222115 is about 751.3883114989.

Adding to 424222115 its reverse (511222424), we get a palindrome (935444539).

The spelling of 424222115 in words is "four hundred twenty-four million, two hundred twenty-two thousand, one hundred fifteen".