222573744 has 100 divisors (see below), whose sum is σ = 647632656. Its totient is φ = 73795968.

The previous prime is 222573721. The next prime is 222573761. The reversal of 222573744 is 447375222.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 222573699 and 222573708.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 340522 + ... + 341174.

Almost surely, 2^222573744 is an apocalyptic number.

222573744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222573744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323816328).

222573744 is an abundant number, since it is smaller than the sum of its proper divisors (425058912).

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

222573744 is a wasteful number, since it uses less digits than its factorization.

222573744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 921 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 222573744 is about 14918.9055898883. The cubic root of 222573744 is about 606.0260747530.

The spelling of 222573744 in words is "two hundred twenty-two million, five hundred seventy-three thousand, seven hundred forty-four".