221350022 has 16 divisors (see below), whose sum is σ = 347038560. Its totient is φ = 105686592.

The previous prime is 221349991. The next prime is 221350027. The reversal of 221350022 is 220053122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221350027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26354 + ... + 33722.

It is an arithmetic number, because the mean of its divisors is an integer number (21689910).

Almost surely, 2^221350022 is an apocalyptic number.

221350022 is a deficient number, since it is larger than the sum of its proper divisors (125688538).

221350022 is a wasteful number, since it uses less digits than its factorization.

221350022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8047.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 221350022 is about 14877.8366034851. The cubic root of 221350022 is about 604.9133787603.

The spelling of 221350022 in words is "two hundred twenty-one million, three hundred fifty thousand, twenty-two".