1622481 has 8 divisors (see below), whose sum is σ = 2472384. Its totient is φ = 927120.

The previous prime is 1622479. The next prime is 1622483. The reversal of 1622481 is 1842261.

It is an interprime number because it is at equal distance from previous prime (1622479) and next prime (1622483).

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

It is not a de Polignac number, because 1622481 - 2¹ = 1622479 is a prime.

It is a super-2 number, since 2×1622481² = 5264889190722, which contains 22 as substring.

It is a Curzon 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, 38610 + ... + 38651.

It is an arithmetic number, because the mean of its divisors is an integer number (309048).

2^1622481 is an apocalyptic number.

It is an amenable number.

1622481 is a deficient number, since it is larger than the sum of its proper divisors (849903).

1622481 is an equidigital number, since it uses as much as digits as its factorization.

1622481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77271.

The product of its digits is 768, while the sum is 24.

The square root of 1622481 is about 1273.7664621115. The cubic root of 1622481 is about 117.5059541271.

The spelling of 1622481 in words is "one million, six hundred twenty-two thousand, four hundred eighty-one".