1222205234 has 8 divisors (see below), whose sum is σ = 1913016960. Its totient is φ = 584532916.

The previous prime is 1222205219. The next prime is 1222205239. The reversal of 1222205234 is 4325022221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1222205239) 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, 13284794 + ... + 13284885.

It is an arithmetic number, because the mean of its divisors is an integer number (239127120).

Almost surely, 2^1222205234 is an apocalyptic number.

1222205234 is a deficient number, since it is larger than the sum of its proper divisors (690811726).

1222205234 is a wasteful number, since it uses less digits than its factorization.

1222205234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26569704.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1222205234 is about 34960.0519736456. The cubic root of 1222205234 is about 1069.1731563115.

Adding to 1222205234 its reverse (4325022221), we get a palindrome (5547227455).

The spelling of 1222205234 in words is "one billion, two hundred twenty-two million, two hundred five thousand, two hundred thirty-four".