222002340 has 72 divisors (see below), whose sum is σ = 723102912. Its totient is φ = 50742720.

The previous prime is 222002323. The next prime is 222002351. The reversal of 222002340 is 43200222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34816 + ... + 40695.

It is an arithmetic number, because the mean of its divisors is an integer number (10043096).

Almost surely, 2^222002340 is an apocalyptic number.

222002340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222002340 is an abundant number, since it is smaller than the sum of its proper divisors (501100572).

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

222002340 is a wasteful number, since it uses less digits than its factorization.

222002340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75537 (or 75528 counting only the distinct ones).

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

The square root of 222002340 is about 14899.7429508029. The cubic root of 222002340 is about 605.5070220933.

Adding to 222002340 its reverse (43200222), we get a palindrome (265202562).

The spelling of 222002340 in words is "two hundred twenty-two million, two thousand, three hundred forty".