222501260 has 48 divisors (see below), whose sum is σ = 494145792. Its totient is φ = 84019200.

The previous prime is 222501259. The next prime is 222501263. The reversal of 222501260 is 62105222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (222501263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21044 + ... + 29796.

It is an arithmetic number, because the mean of its divisors is an integer number (10294704).

Almost surely, 2^222501260 is an apocalyptic number.

222501260 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 222501260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247072896).

222501260 is an abundant number, since it is smaller than the sum of its proper divisors (271644532).

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

222501260 is a wasteful number, since it uses less digits than its factorization.

222501260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834 (or 8832 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 222501260 is about 14916.4761254125. The cubic root of 222501260 is about 605.9602808838.

Adding to 222501260 its reverse (62105222), we get a palindrome (284606482).

The spelling of 222501260 in words is "two hundred twenty-two million, five hundred one thousand, two hundred sixty".