221222020098 has 8 divisors (see below), whose sum is σ = 442444040208. Its totient is φ = 73740673364.

The previous prime is 221222020091. The next prime is 221222020099. The reversal of 221222020098 is 890020222122.

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

221222020098 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (221222020091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18435168336 + ... + 18435168347.

It is an arithmetic number, because the mean of its divisors is an integer number (55305505026).

Almost surely, 2^221222020098 is an apocalyptic number.

221222020098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221222020098 is a wasteful number, since it uses less digits than its factorization.

221222020098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36870336688.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 221222020098 in words is "two hundred twenty-one billion, two hundred twenty-two million, twenty thousand, ninety-eight".