1223204122 has 16 divisors (see below), whose sum is σ = 2099476800. Its totient is φ = 523591488.

The previous prime is 1223204083. The next prime is 1223204131. The reversal of 1223204122 is 2214023221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223204122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41247 + ... + 64402.

It is an arithmetic number, because the mean of its divisors is an integer number (131217300).

Almost surely, 2^1223204122 is an apocalyptic number.

1223204122 is a deficient number, since it is larger than the sum of its proper divisors (876272678).

1223204122 is a wasteful number, since it uses less digits than its factorization.

1223204122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106485.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1223204122 is about 34974.3351902506. The cubic root of 1223204122 is about 1069.4643494732.

Adding to 1223204122 its reverse (2214023221), we get a palindrome (3437227343).

The spelling of 1223204122 in words is "one billion, two hundred twenty-three million, two hundred four thousand, one hundred twenty-two".