1355222 has 16 divisors (see below), whose sum is σ = 2235600. Its totient is φ = 611040.

The previous prime is 1355219. The next prime is 1355243. The reversal of 1355222 is 2225531.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1355194 and 1355203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4904 + ... + 5172.

It is an arithmetic number, because the mean of its divisors is an integer number (139725).

2^1355222 is an apocalyptic number.

1355222 is a deficient number, since it is larger than the sum of its proper divisors (880378).

1355222 is a wasteful number, since it uses less digits than its factorization.

1355222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its digits is 600, while the sum is 20.

The square root of 1355222 is about 1164.1400259419. The cubic root of 1355222 is about 110.6632654073.

The spelling of 1355222 in words is "one million, three hundred fifty-five thousand, two hundred twenty-two".