222240021454545 has 16 divisors (see below), whose sum is σ = 356705750531520. Its totient is φ = 118154106041024.

The previous prime is 222240021454513. The next prime is 222240021454567. The reversal of 222240021454545 is 545454120042222.

It is a cyclic number.

It is not a de Polignac number, because 222240021454545 - 2⁵ = 222240021454513 is a prime.

It is a super-2 number, since 2×222240021454545² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 222240021454497 and 222240021454506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23369082675 + ... + 23369092184.

It is an arithmetic number, because the mean of its divisors is an integer number (22294109408220).

Almost surely, 2^{222240021454545} is an apocalyptic number.

It is an amenable number.

222240021454545 is a deficient number, since it is larger than the sum of its proper divisors (134465729076975).

222240021454545 is a wasteful number, since it uses less digits than its factorization.

222240021454545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46738175184.

The product of its (nonzero) digits is 1024000, while the sum is 42.

Adding to 222240021454545 its reverse (545454120042222), we get a palindrome (767694141496767).

The spelling of 222240021454545 in words is "two hundred twenty-two trillion, two hundred forty billion, twenty-one million, four hundred fifty-four thousand, five hundred forty-five".