1506222 has 16 divisors (see below), whose sum is σ = 3347280. Its totient is φ = 502056.

The previous prime is 1506203. The next prime is 1506223. The reversal of 1506222 is 2226051.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1506195 and 1506204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1506223) 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, 13893 + ... + 14000.

It is an arithmetic number, because the mean of its divisors is an integer number (209205).

2^1506222 is an apocalyptic number.

1506222 is an abundant number, since it is smaller than the sum of its proper divisors (1841058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1506222 is a wasteful number, since it uses less digits than its factorization.

1506222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27904 (or 27898 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1506222 is about 1227.2823635985. The cubic root of 1506222 is about 114.6294817382.

It can be divided in two parts, 1506 and 222, that added together give a cube (1728 = 12³).

The spelling of 1506222 in words is "one million, five hundred six thousand, two hundred twenty-two".