222859380 has 24 divisors (see below), whose sum is σ = 624006432. Its totient is φ = 59429152.

The previous prime is 222859339. The next prime is 222859381. The reversal of 222859380 is 83958222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222859381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857102 + ... + 1857221.

It is an arithmetic number, because the mean of its divisors is an integer number (26000268).

Almost surely, 2^222859380 is an apocalyptic number.

222859380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222859380 is an abundant number, since it is smaller than the sum of its proper divisors (401147052).

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

222859380 is a wasteful number, since it uses less digits than its factorization.

222859380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714335 (or 3714333 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 222859380 is about 14928.4754747429. The cubic root of 222859380 is about 606.2852081441.

The spelling of 222859380 in words is "two hundred twenty-two million, eight hundred fifty-nine thousand, three hundred eighty".