1222850 has 24 divisors (see below), whose sum is σ = 2339508. Its totient is φ = 475200.

The previous prime is 1222847. The next prime is 1222853. The reversal of 1222850 is 582221.

1222850 is nontrivially palindromic in base 3.

It is an interprime number because it is at equal distance from previous prime (1222847) and next prime (1222853).

It can be written as a sum of positive squares in 6 ways, for example, as 896809 + 326041 = 947^2 + 571^2 .

It is not an unprimeable number, because it can be changed into a prime (1222853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1520 + ... + 2180.

2^1222850 is an apocalyptic number.

1222850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222850 is a deficient number, since it is larger than the sum of its proper divisors (1116658).

1222850 is a wasteful number, since it uses less digits than its factorization.

1222850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1222850 is about 1105.8254835190. The cubic root of 1222850 is about 106.9361134918.

The spelling of 1222850 in words is "one million, two hundred twenty-two thousand, eight hundred fifty".