221882022 has 12 divisors (see below), whose sum is σ = 480744420. Its totient is φ = 73960668.

The previous prime is 221881969. The next prime is 221882027. The reversal of 221882022 is 220288122.

221882022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221882027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6163372 + ... + 6163407.

It is an arithmetic number, because the mean of its divisors is an integer number (40062035).

Almost surely, 2^221882022 is an apocalyptic number.

221882022 is an abundant number, since it is smaller than the sum of its proper divisors (258862398).

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

221882022 is a wasteful number, since it uses less digits than its factorization.

221882022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12326787 (or 12326784 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 221882022 is about 14895.7048171612. The cubic root of 221882022 is about 605.3976139984.

The spelling of 221882022 in words is "two hundred twenty-one million, eight hundred eighty-two thousand, twenty-two".