222350646 has 16 divisors (see below), whose sum is σ = 508230144. Its totient is φ = 63528744.

The previous prime is 222350641. The next prime is 222350663. The reversal of 222350646 is 646053222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222350641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2646990 + ... + 2647073.

It is an arithmetic number, because the mean of its divisors is an integer number (31764384).

Almost surely, 2^222350646 is an apocalyptic number.

222350646 is an abundant number, since it is smaller than the sum of its proper divisors (285879498).

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

222350646 is a wasteful number, since it uses less digits than its factorization.

222350646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294075.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 222350646 is about 14911.4266923055. The cubic root of 222350646 is about 605.8235225533.

The spelling of 222350646 in words is "two hundred twenty-two million, three hundred fifty thousand, six hundred forty-six".