1622480 has 40 divisors (see below), whose sum is σ = 3997512. Its totient is φ = 610304.

The previous prime is 1622479. The next prime is 1622483. The reversal of 1622480 is 842261.

It can be written as a sum of positive squares in 4 ways, for example, as 341056 + 1281424 = 584^2 + 1132^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622483) 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, 764 + ... + 1956.

2^1622480 is an apocalyptic number.

1622480 is a gapful number since it is divisible by the number (10) 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 1622480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1998756).

1622480 is an abundant number, since it is smaller than the sum of its proper divisors (2375032).

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

1622480 is a wasteful number, since it uses less digits than its factorization.

1622480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1217 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1622480 is about 1273.7660695748. The cubic root of 1622480 is about 117.5059299859.

The spelling of 1622480 in words is "one million, six hundred twenty-two thousand, four hundred eighty".