434222243 has 32 divisors (see below), whose sum is σ = 546524160. Its totient is φ = 335871360.

The previous prime is 434222227. The next prime is 434222263. The reversal of 434222243 is 342222434.

It is a happy number.

It is a Cunningham number, because it is equal to 20838²-1.

It is a cyclic number.

It is not a de Polignac number, because 434222243 - 2⁴ = 434222227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434222263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1396058 + ... + 1396368.

It is an arithmetic number, because the mean of its divisors is an integer number (17078880).

Almost surely, 2^434222243 is an apocalyptic number.

434222243 is a deficient number, since it is larger than the sum of its proper divisors (112301917).

434222243 is a wasteful number, since it uses less digits than its factorization.

434222243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627.

The product of its digits is 9216, while the sum is 26.

The square root of 434222243 is about 20837.9999760054. Note that the first 4 decimals coincide. The cubic root of 434222243 is about 757.2466408261.

Adding to 434222243 its reverse (342222434), we get a palindrome (776444677).

The spelling of 434222243 in words is "four hundred thirty-four million, two hundred twenty-two thousand, two hundred forty-three".