222964544 has 112 divisors (see below), whose sum is σ = 516940800. Its totient is φ = 94348800.

The previous prime is 222964541. The next prime is 222964559. The reversal of 222964544 is 445469222.

It is a super-2 number, since 2×222964544² = 99426375762255872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 222964498 and 222964507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222964541) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1056599 + ... + 1056809.

Almost surely, 2^222964544 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 222964544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258470400).

222964544 is an abundant number, since it is smaller than the sum of its proper divisors (293976256).

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

222964544 is a wasteful number, since it uses less digits than its factorization.

222964544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 322 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 222964544 is about 14931.9973211892. The cubic root of 222964544 is about 606.3805587806.

The spelling of 222964544 in words is "two hundred twenty-two million, nine hundred sixty-four thousand, five hundred forty-four".