222616650 has 24 divisors (see below), whose sum is σ = 552089664. Its totient is φ = 59364400.

The previous prime is 222616627. The next prime is 222616651. The reversal of 222616650 is 56616222.

222616650 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (222616651) 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 11 ways as a sum of consecutive naturals, for example, 741906 + ... + 742205.

It is an arithmetic number, because the mean of its divisors is an integer number (23003736).

Almost surely, 2^222616650 is an apocalyptic number.

222616650 is an abundant number, since it is smaller than the sum of its proper divisors (329473014).

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

222616650 is a wasteful number, since it uses less digits than its factorization.

222616650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484126 (or 1484121 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 222616650 is about 14920.3434947055. The cubic root of 222616650 is about 606.0650138833.

The spelling of 222616650 in words is "two hundred twenty-two million, six hundred sixteen thousand, six hundred fifty".