1188226 has 16 divisors (see below), whose sum is σ = 2003904. Its totient is φ = 524304.

The previous prime is 1188223. The next prime is 1188227. The reversal of 1188226 is 6228811.

1188226 = 65² + 66² + ... + 156².

It is a junction number, because it is equal to n+sod(n) for n = 1188194 and 1188203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396 + ... + 1591.

It is an arithmetic number, because the mean of its divisors is an integer number (125244).

2^1188226 is an apocalyptic number.

1188226 is a deficient number, since it is larger than the sum of its proper divisors (815678).

1188226 is a wasteful number, since it uses less digits than its factorization.

1188226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025.

The product of its digits is 1536, while the sum is 28.

The square root of 1188226 is about 1090.0577966328. The cubic root of 1188226 is about 105.9171656165.

It can be divided in two parts, 118822 and 6, that added together give a triangular number (118828 = T₄₈₇).

The spelling of 1188226 in words is "one million, one hundred eighty-eight thousand, two hundred twenty-six".