1226102222401 has 16 divisors (see below), whose sum is σ = 1407623500800. Its totient is φ = 1046182717008.

The previous prime is 1226102222399. The next prime is 1226102222453. The reversal of 1226102222401 is 1042222016221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1226102222401 - 2¹ = 1226102222399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226102222801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911010 + ... + 1811668.

It is an arithmetic number, because the mean of its divisors is an integer number (87976468800).

Almost surely, 2^{1226102222401} is an apocalyptic number.

It is an amenable number.

1226102222401 is a deficient number, since it is larger than the sum of its proper divisors (181521278399).

1226102222401 is an equidigital number, since it uses as much as digits as its factorization.

1226102222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901548.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1226102222401 its reverse (1042222016221), we get a palindrome (2268324238622).

The spelling of 1226102222401 in words is "one trillion, two hundred twenty-six billion, one hundred two million, two hundred twenty-two thousand, four hundred one".