221349022 has 8 divisors (see below), whose sum is σ = 340997256. Its totient is φ = 107683272.

The previous prime is 221349019. The next prime is 221349043. The reversal of 221349022 is 220943122.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495528 + ... + 1495675.

It is an arithmetic number, because the mean of its divisors is an integer number (42624657).

Almost surely, 2^221349022 is an apocalyptic number.

221349022 is a deficient number, since it is larger than the sum of its proper divisors (119648234).

221349022 is a wasteful number, since it uses less digits than its factorization.

221349022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991242.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 221349022 is about 14877.8029964105. The cubic root of 221349022 is about 604.9124678135.

The spelling of 221349022 in words is "two hundred twenty-one million, three hundred forty-nine thousand, twenty-two".