222300240 has 40 divisors (see below), whose sum is σ = 689131488. Its totient is φ = 59280000.

The previous prime is 222300223. The next prime is 222300263. The reversal of 222300240 is 42003222.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462886 + ... + 463365.

Almost surely, 2^222300240 is an apocalyptic number.

222300240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222300240 is an abundant number, since it is smaller than the sum of its proper divisors (466831248).

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

222300240 is a wasteful number, since it uses less digits than its factorization.

222300240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926267 (or 926261 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 222300240 is about 14909.7364161812. The cubic root of 222300240 is about 605.7777398390. Note that the first 4 decimals are identical.

Adding to 222300240 its reverse (42003222), we get a palindrome (264303462).

The spelling of 222300240 in words is "two hundred twenty-two million, three hundred thousand, two hundred forty".