221452472347122 has 8 divisors (see below), whose sum is σ = 442904944694256. Its totient is φ = 73817490782372.

The previous prime is 221452472347111. The next prime is 221452472347163. The reversal of 221452472347122 is 221743274254122.

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

221452472347122 is an admirable 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, 18454372695588 + ... + 18454372695599.

It is an arithmetic number, because the mean of its divisors is an integer number (55363118086782).

Almost surely, 2^{221452472347122} is an apocalyptic number.

221452472347122 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.

221452472347122 is a wasteful number, since it uses less digits than its factorization.

221452472347122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36908745391192.

The product of its digits is 3010560, while the sum is 48.

The spelling of 221452472347122 in words is "two hundred twenty-one trillion, four hundred fifty-two billion, four hundred seventy-two million, three hundred forty-seven thousand, one hundred twenty-two".