1522866 has 8 divisors (see below), whose sum is σ = 3045744. Its totient is φ = 507620.

The previous prime is 1522841. The next prime is 1522897. The reversal of 1522866 is 6682251.

It is a sphenic number, since it is the product of 3 distinct primes.

1522866 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126900 + ... + 126911.

It is an arithmetic number, because the mean of its divisors is an integer number (380718).

2^1522866 is an apocalyptic number.

1522866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1522866 is a wasteful number, since it uses less digits than its factorization.

1522866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253816.

The product of its digits is 5760, while the sum is 30.

The square root of 1522866 is about 1234.0445696975. The cubic root of 1522866 is about 115.0501608523.

Adding to 1522866 its product of digits (5760), we get a triangular number (1528626 = T₁₇₄₈).

The spelling of 1522866 in words is "one million, five hundred twenty-two thousand, eight hundred sixty-six".