1222333401 has 8 divisors (see below), whose sum is σ = 1630456384. Its totient is φ = 814549680.

The previous prime is 1222333381. The next prime is 1222333417. The reversal of 1222333401 is 1043332221.

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

It is not a de Polignac number, because 1222333401 - 2⁹ = 1222332889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222333481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76285 + ... + 90906.

It is an arithmetic number, because the mean of its divisors is an integer number (203807048).

Almost surely, 2^1222333401 is an apocalyptic number.

It is an amenable number.

1222333401 is a deficient number, since it is larger than the sum of its proper divisors (408122983).

1222333401 is a wasteful number, since it uses less digits than its factorization.

1222333401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169631.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1222333401 is about 34961.8849749266. The cubic root of 1222333401 is about 1069.2105280835.

Adding to 1222333401 its reverse (1043332221), we get a palindrome (2265665622).

The spelling of 1222333401 in words is "one billion, two hundred twenty-two million, three hundred thirty-three thousand, four hundred one".