1223222401 has 8 divisors (see below), whose sum is σ = 1238050944. Its totient is φ = 1208464320.

The previous prime is 1223222389. The next prime is 1223222411. The reversal of 1223222401 is 1042223221.

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

It is a cyclic number.

It is not a de Polignac number, because 1223222401 - 2¹¹ = 1223220353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1223222411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17740 + ... + 52546.

It is an arithmetic number, because the mean of its divisors is an integer number (154756368).

Almost surely, 2^1223222401 is an apocalyptic number.

It is an amenable number.

1223222401 is a deficient number, since it is larger than the sum of its proper divisors (14828543).

1223222401 is a wasteful number, since it uses less digits than its factorization.

1223222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35231.

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

The square root of 1223222401 is about 34974.5965094667. The cubic root of 1223222401 is about 1069.4696766412.

Adding to 1223222401 its reverse (1042223221), we get a palindrome (2265445622).

The spelling of 1223222401 in words is "one billion, two hundred twenty-three million, two hundred twenty-two thousand, four hundred one".