1043222220 has 96 divisors (see below), whose sum is σ = 3357547200. Its totient is φ = 268595712.

The previous prime is 1043222209. The next prime is 1043222231. The reversal of 1043222220 is 222223401.

1043222220 is a `hidden beast` number, since 10 + 432 + 2 + 2 + 220 = 666.

It is an interprime number because it is at equal distance from previous prime (1043222209) and next prime (1043222231).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1043222193 and 1043222202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17649 + ... + 48968.

It is an arithmetic number, because the mean of its divisors is an integer number (34974450).

Almost surely, 2^1043222220 is an apocalyptic number.

1043222220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043222220 is an abundant number, since it is smaller than the sum of its proper divisors (2314324980).

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

1043222220 is a wasteful number, since it uses less digits than its factorization.

1043222220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66664 (or 66656 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1043222220 is about 32298.9507569518. The cubic root of 1043222220 is about 1014.2046784051.

Adding to 1043222220 its reverse (222223401), we get a palindrome (1265445621).

The spelling of 1043222220 in words is "one billion, forty-three million, two hundred twenty-two thousand, two hundred twenty".