222243315451 has 8 divisors (see below), whose sum is σ = 235337819040. Its totient is φ = 209151186048.

The previous prime is 222243315443. The next prime is 222243315473. The reversal of 222243315451 is 154513342222.

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

It is not a de Polignac number, because 222243315451 - 2³ = 222243315443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222243315421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398991 + ... + 776968.

It is an arithmetic number, because the mean of its divisors is an integer number (29417227380).

Almost surely, 2^222243315451 is an apocalyptic number.

222243315451 is a deficient number, since it is larger than the sum of its proper divisors (13094503589).

222243315451 is a wasteful number, since it uses less digits than its factorization.

222243315451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187093.

The product of its digits is 57600, while the sum is 34.

Adding to 222243315451 its reverse (154513342222), we get a palindrome (376756657673).

The spelling of 222243315451 in words is "two hundred twenty-two billion, two hundred forty-three million, three hundred fifteen thousand, four hundred fifty-one".