222685632 has 224 divisors, whose sum is σ = 737372160. Its totient is φ = 65387520.

The previous prime is 222685627. The next prime is 222685633. The reversal of 222685632 is 236586222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222685633) 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 31 ways as a sum of consecutive naturals, for example, 516457 + ... + 516887.

It is an arithmetic number, because the mean of its divisors is an integer number (3291840).

Almost surely, 2^222685632 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 222685632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368686080).

222685632 is an abundant number, since it is smaller than the sum of its proper divisors (514686528).

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

222685632 is a wasteful number, since it uses less digits than its factorization.

222685632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 472 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 222685632 is about 14922.6549916561. The cubic root of 222685632 is about 606.1276076729.

The spelling of 222685632 in words is "two hundred twenty-two million, six hundred eighty-five thousand, six hundred thirty-two".