221106924522 has 24 divisors (see below), whose sum is σ = 522616367520. Its totient is φ = 67002098280.

The previous prime is 221106924487. The next prime is 221106924551. The reversal of 221106924522 is 225429601122.

221106924522 is a `hidden beast` number, since 2 + 2 + 1 + 106 + 9 + 24 + 522 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 558350622 + ... + 558351017.

It is an arithmetic number, because the mean of its divisors is an integer number (21775681980).

Almost surely, 2^221106924522 is an apocalyptic number.

221106924522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221106924522 is an abundant number, since it is smaller than the sum of its proper divisors (301509442998).

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

221106924522 is a wasteful number, since it uses less digits than its factorization.

221106924522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116701658 (or 1116701655 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 221106924522 in words is "two hundred twenty-one billion, one hundred six million, nine hundred twenty-four thousand, five hundred twenty-two".