221415064242522 has 16 divisors (see below), whose sum is σ = 443316220843392. Its totient is φ = 73724006021120.

The previous prime is 221415064242467. The next prime is 221415064242529. The reversal of 221415064242522 is 225242460514122.

It is not an unprimeable number, because it can be changed into a prime (221415064242529) 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, 20253842343 + ... + 20253853274.

It is an arithmetic number, because the mean of its divisors is an integer number (27707263802712).

Almost surely, 2^{221415064242522} is an apocalyptic number.

221415064242522 is an abundant number, since it is smaller than the sum of its proper divisors (221901156600870).

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

221415064242522 is a wasteful number, since it uses less digits than its factorization.

221415064242522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40507696533.

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 221415064242522 in words is "two hundred twenty-one trillion, four hundred fifteen billion, sixty-four million, two hundred forty-two thousand, five hundred twenty-two".