221261522481022 has 8 divisors (see below), whose sum is σ = 336438753361776. Its totient is φ = 109115271360432.

The previous prime is 221261522480983. The next prime is 221261522481029. The reversal of 221261522481022 is 220184225162122.

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

It is a super-2 number, since 2×221261522481022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221261522481029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757744939858 + ... + 757744940149.

It is an arithmetic number, because the mean of its divisors is an integer number (42054844170222).

Almost surely, 2^{221261522481022} is an apocalyptic number.

221261522481022 is a deficient number, since it is larger than the sum of its proper divisors (115177230880754).

221261522481022 is a wasteful number, since it uses less digits than its factorization.

221261522481022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1515489880082.

The product of its (nonzero) digits is 122880, while the sum is 40.

The spelling of 221261522481022 in words is "two hundred twenty-one trillion, two hundred sixty-one billion, five hundred twenty-two million, four hundred eighty-one thousand, twenty-two".