222646248 has 96 divisors (see below), whose sum is σ = 661620960. Its totient is φ = 67079040.

The previous prime is 222646243. The next prime is 222646289. The reversal of 222646248 is 842646222.

222646248 is a `hidden beast` number, since 2 + 2 + 2 + 646 + 2 + 4 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (222646243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155311 + ... + 156737.

It is an arithmetic number, because the mean of its divisors is an integer number (6891885).

Almost surely, 2^222646248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222646248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330810480).

222646248 is an abundant number, since it is smaller than the sum of its proper divisors (438974712).

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

222646248 is a wasteful number, since it uses less digits than its factorization.

222646248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1640 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 222646248 is about 14921.3353289845. The cubic root of 222646248 is about 606.0918724874.

The spelling of 222646248 in words is "two hundred twenty-two million, six hundred forty-six thousand, two hundred forty-eight".