221120022 has 32 divisors (see below), whose sum is σ = 462223872. Its totient is φ = 70386624.

The previous prime is 221120017. The next prime is 221120047. The reversal of 221120022 is 220021122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132618 + ... + 134274.

It is an arithmetic number, because the mean of its divisors is an integer number (14444496).

Almost surely, 2^221120022 is an apocalyptic number.

221120022 is an abundant number, since it is smaller than the sum of its proper divisors (241103850).

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

221120022 is a wasteful number, since it uses less digits than its factorization.

221120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 221120022 is about 14870.1049760921. The cubic root of 221120022 is about 604.7037886992.

Adding to 221120022 its reverse (220021122), we get a palindrome (441141144).

The spelling of 221120022 in words is "two hundred twenty-one million, one hundred twenty thousand, twenty-two".