221412436246722 has 32 divisors (see below), whose sum is σ = 507966927580800. Its totient is φ = 63025526193408.

The previous prime is 221412436246709. The next prime is 221412436246753. The reversal of 221412436246722 is 227642634214122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9798733447 + ... + 9798756042.

It is an arithmetic number, because the mean of its divisors is an integer number (15873966486900).

Almost surely, 2^{221412436246722} is an apocalyptic number.

221412436246722 is an abundant number, since it is smaller than the sum of its proper divisors (286554491334078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221412436246722 is a wasteful number, since it uses less digits than its factorization.

221412436246722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19597489770.

The product of its digits is 3096576, while the sum is 48.

The spelling of 221412436246722 in words is "two hundred twenty-one trillion, four hundred twelve billion, four hundred thirty-six million, two hundred forty-six thousand, seven hundred twenty-two".