221412441606522 has 16 divisors (see below), whose sum is σ = 442899270128640. Its totient is φ = 73791749382912.

The previous prime is 221412441606491. The next prime is 221412441606529. The reversal of 221412441606522 is 225606144214122.

It is not an unprimeable number, because it can be changed into a prime (221412441606529) 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, 3099416122 + ... + 3099487557.

It is an arithmetic number, because the mean of its divisors is an integer number (27681204383040).

Almost surely, 2^{221412441606522} is an apocalyptic number.

221412441606522 is an abundant number, since it is smaller than the sum of its proper divisors (221486828522118).

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

221412441606522 is a wasteful number, since it uses less digits than its factorization.

221412441606522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6198909637.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 221412441606522 in words is "two hundred twenty-one trillion, four hundred twelve billion, four hundred forty-one million, six hundred six thousand, five hundred twenty-two".