221056022 has 8 divisors (see below), whose sum is σ = 361728072. Its totient is φ = 100480000.

The previous prime is 221056007. The next prime is 221056039. The reversal of 221056022 is 220650122.

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

It is a junction number, because it is equal to n+sod(n) for n = 221055985 and 221056003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5023979 + ... + 5024022.

It is an arithmetic number, because the mean of its divisors is an integer number (45216009).

Almost surely, 2^221056022 is an apocalyptic number.

221056022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221056022 is a deficient number, since it is larger than the sum of its proper divisors (140672050).

221056022 is a wasteful number, since it uses less digits than its factorization.

221056022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10048014.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 221056022 is about 14867.9528516874. The cubic root of 221056022 is about 604.6454421407.

The spelling of 221056022 in words is "two hundred twenty-one million, fifty-six thousand, twenty-two".