222230215551 has 8 divisors (see below), whose sum is σ = 296420015664. Its totient is φ = 148096946240.

The previous prime is 222230215541. The next prime is 222230215567. The reversal of 222230215551 is 155512032222.

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

It is a cyclic number.

It is not a de Polignac number, because 222230215551 - 2¹⁰ = 222230214527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222230215511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14123526 + ... + 14139251.

It is an arithmetic number, because the mean of its divisors is an integer number (37052501958).

Almost surely, 2^222230215551 is an apocalyptic number.

222230215551 is a deficient number, since it is larger than the sum of its proper divisors (74189800113).

222230215551 is a wasteful number, since it uses less digits than its factorization.

222230215551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28265401.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 222230215551 its reverse (155512032222), we get a palindrome (377742247773).

The spelling of 222230215551 in words is "two hundred twenty-two billion, two hundred thirty million, two hundred fifteen thousand, five hundred fifty-one".