1155622 has 16 divisors (see below), whose sum is σ = 1884960. Its totient is φ = 531336.

The previous prime is 1155619. The next prime is 1155629. The reversal of 1155622 is 2265511.

It is a junction number, because it is equal to n+sod(n) for n = 1155593 and 1155602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155629) 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, 4263 + ... + 4525.

It is an arithmetic number, because the mean of its divisors is an integer number (117810).

2^1155622 is an apocalyptic number.

1155622 is a deficient number, since it is larger than the sum of its proper divisors (729338).

1155622 is an equidigital number, since it uses as much as digits as its factorization.

1155622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 278 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 1155622 is about 1074.9986046503. The cubic root of 1155622 is about 104.9394057036.

The spelling of 1155622 in words is "one million, one hundred fifty-five thousand, six hundred twenty-two".