1522416 has 80 divisors (see below), whose sum is σ = 4713984. Its totient is φ = 413952.

The previous prime is 1522399. The next prime is 1522427. The reversal of 1522416 is 6142251.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1522392 and 1522401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7630 + ... + 7826.

2^1522416 is an apocalyptic number.

1522416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1522416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2356992).

1522416 is an abundant number, since it is smaller than the sum of its proper divisors (3191568).

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

1522416 is a wasteful number, since it uses less digits than its factorization.

1522416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 232 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 1522416 is about 1233.8622289381. The cubic root of 1522416 is about 115.0388274689.

Adding to 1522416 its reverse (6142251), we get a palindrome (7664667).

The spelling of 1522416 in words is "one million, five hundred twenty-two thousand, four hundred sixteen".