1222251234 has 32 divisors (see below), whose sum is σ = 2563660800. Its totient is φ = 387736272.

The previous prime is 1222251161. The next prime is 1222251241. The reversal of 1222251234 is 4321522221.

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5209 + ... + 49715.

It is an arithmetic number, because the mean of its divisors is an integer number (80114400).

Almost surely, 2^1222251234 is an apocalyptic number.

1222251234 is an abundant number, since it is smaller than the sum of its proper divisors (1341409566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222251234 is a wasteful number, since it uses less digits than its factorization.

1222251234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44734.

The product of its digits is 1920, while the sum is 24.

The square root of 1222251234 is about 34960.7098612142. The cubic root of 1222251234 is about 1069.1865695929.

Adding to 1222251234 its reverse (4321522221), we get a palindrome (5543773455).

The spelling of 1222251234 in words is "one billion, two hundred twenty-two million, two hundred fifty-one thousand, two hundred thirty-four".