1226650 has 12 divisors (see below), whose sum is σ = 2281662. Its totient is φ = 490640.

The previous prime is 1226629. The next prime is 1226651. The reversal of 1226650 is 566221.

It can be written as a sum of positive squares in 3 ways, for example, as 522729 + 703921 = 723^2 + 839^2 .

It is not an unprimeable number, because it can be changed into a prime (1226651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12217 + ... + 12316.

2^1226650 is an apocalyptic number.

1226650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1226650 is a deficient number, since it is larger than the sum of its proper divisors (1055012).

1226650 is a wasteful number, since it uses less digits than its factorization.

1226650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24545 (or 24540 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1226650 is about 1107.5423242477. The cubic root of 1226650 is about 107.0467667578.

It can be divided in two parts, 12 and 26650, that added together give a palindrome (26662).

The spelling of 1226650 in words is "one million, two hundred twenty-six thousand, six hundred fifty".