1222454154 has 8 divisors (see below), whose sum is σ = 2444908320. Its totient is φ = 407484716.

The previous prime is 1222454143. The next prime is 1222454201. The reversal of 1222454154 is 4514542221.

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

1222454154 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101871174 + ... + 101871185.

It is an arithmetic number, because the mean of its divisors is an integer number (305613540).

Almost surely, 2^1222454154 is an apocalyptic number.

1222454154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222454154 is a wasteful number, since it uses less digits than its factorization.

1222454154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203742364.

The product of its digits is 12800, while the sum is 30.

The square root of 1222454154 is about 34963.6118557566. The cubic root of 1222454154 is about 1069.2457356430.

Adding to 1222454154 its reverse (4514542221), we get a palindrome (5736996375).

The spelling of 1222454154 in words is "one billion, two hundred twenty-two million, four hundred fifty-four thousand, one hundred fifty-four".