222487980 has 96 divisors (see below), whose sum is σ = 731904768. Its totient is φ = 49785600.

The previous prime is 222487963. The next prime is 222487981. The reversal of 222487980 is 89784222.

222487980 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222487981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4386 + ... + 21545.

It is an arithmetic number, because the mean of its divisors is an integer number (7624008).

Almost surely, 2^222487980 is an apocalyptic number.

222487980 is a gapful number since it is divisible by the number (20) 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 222487980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365952384).

222487980 is an abundant number, since it is smaller than the sum of its proper divisors (509416788).

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

222487980 is a wasteful number, since it uses less digits than its factorization.

222487980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25967 (or 25965 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 222487980 is about 14916.0309734192. The cubic root of 222487980 is about 605.9482250530.

The spelling of 222487980 in words is "two hundred twenty-two million, four hundred eighty-seven thousand, nine hundred eighty".