222740832 has 96 divisors (see below), whose sum is σ = 613992960. Its totient is φ = 70568960.

The previous prime is 222740831. The next prime is 222740863. The reversal of 222740832 is 238047222.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×222740832² = 99226956480104448, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222740832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222740831) 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, 620269 + ... + 620627.

It is an arithmetic number, because the mean of its divisors is an integer number (6395760).

Almost surely, 2^222740832 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 222740832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306996480).

222740832 is an abundant number, since it is smaller than the sum of its proper divisors (391252128).

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

222740832 is a wasteful number, since it uses less digits than its factorization.

222740832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 222740832 is about 14924.5044138826. The cubic root of 222740832 is about 606.1776864610.

The spelling of 222740832 in words is "two hundred twenty-two million, seven hundred forty thousand, eight hundred thirty-two".