222404340 has 48 divisors (see below), whose sum is σ = 628262208. Its totient is φ = 58781184.

The previous prime is 222404327. The next prime is 222404407. The reversal of 222404340 is 43404222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9622 + ... + 23181.

It is an arithmetic number, because the mean of its divisors is an integer number (13088796).

Almost surely, 2^222404340 is an apocalyptic number.

222404340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222404340 is an abundant number, since it is smaller than the sum of its proper divisors (405857868).

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

222404340 is a wasteful number, since it uses less digits than its factorization.

222404340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32928 (or 32926 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 222404340 is about 14913.2270149690. The cubic root of 222404340 is about 605.8722840789.

Adding to 222404340 its reverse (43404222), we get a palindrome (265808562).

The spelling of 222404340 in words is "two hundred twenty-two million, four hundred four thousand, three hundred forty".