1622441 has 8 divisors (see below), whose sum is σ = 1671840. Its totient is φ = 1573888.

The previous prime is 1622437. The next prime is 1622449. The reversal of 1622441 is 1442261.

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

It is a cyclic number.

It is not a de Polignac number, because 1622441 - 2² = 1622437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1622449) 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, 6185 + ... + 6441.

It is an arithmetic number, because the mean of its divisors is an integer number (208980).

2^1622441 is an apocalyptic number.

It is an amenable number.

1622441 is a deficient number, since it is larger than the sum of its proper divisors (49399).

1622441 is a wasteful number, since it uses less digits than its factorization.

1622441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its digits is 384, while the sum is 20.

The square root of 1622441 is about 1273.7507605493. The cubic root of 1622441 is about 117.5049884709.

The spelling of 1622441 in words is "one million, six hundred twenty-two thousand, four hundred forty-one".