1522256 has 20 divisors (see below), whose sum is σ = 2985300. Its totient is φ = 751872.

The previous prime is 1522253. The next prime is 1522321. The reversal of 1522256 is 6522251.

It can be written as a sum of positive squares in 2 ways, for example, as 490000 + 1032256 = 700^2 + 1016^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1522253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890 + ... + 1958.

It is an arithmetic number, because the mean of its divisors is an integer number (149265).

2^1522256 is an apocalyptic number.

1522256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1522256 is a deficient number, since it is larger than the sum of its proper divisors (1463044).

1522256 is a wasteful number, since it uses less digits than its factorization.

1522256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1160 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 1522256 is about 1233.7973901739. The cubic root of 1522256 is about 115.0347972833.

The spelling of 1522256 in words is "one million, five hundred twenty-two thousand, two hundred fifty-six".