221413301441246 has 4 divisors (see below), whose sum is σ = 332119952161872. Its totient is φ = 110706650720622.

The previous prime is 221413301441209. The next prime is 221413301441273. The reversal of 221413301441246 is 642144103314122.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×221413301441246² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55353325360310 + ... + 55353325360313.

It is an arithmetic number, because the mean of its divisors is an integer number (83029988040468).

Almost surely, 2^{221413301441246} is an apocalyptic number.

221413301441246 is a deficient number, since it is larger than the sum of its proper divisors (110706650720626).

221413301441246 is a wasteful number, since it uses less digits than its factorization.

221413301441246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110706650720625.

The product of its (nonzero) digits is 110592, while the sum is 38.

Adding to 221413301441246 its reverse (642144103314122), we get a palindrome (863557404755368).

The spelling of 221413301441246 in words is "two hundred twenty-one trillion, four hundred thirteen billion, three hundred one million, four hundred forty-one thousand, two hundred forty-six".