1622285 has 8 divisors (see below), whose sum is σ = 2224896. Its totient is φ = 1112400.

The previous prime is 1622273. The next prime is 1622287. The reversal of 1622285 is 5822261.

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

It is not a de Polignac number, because 1622285 - 2¹² = 1618189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1622287) 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, 23141 + ... + 23210.

It is an arithmetic number, because the mean of its divisors is an integer number (278112).

2^1622285 is an apocalyptic number.

It is an amenable number.

1622285 is a deficient number, since it is larger than the sum of its proper divisors (602611).

1622285 is an equidigital number, since it uses as much as digits as its factorization.

1622285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46363.

The product of its digits is 1920, while the sum is 26.

The square root of 1622285 is about 1273.6895226075. The cubic root of 1622285 is about 117.5012222598.

The spelling of 1622285 in words is "one million, six hundred twenty-two thousand, two hundred eighty-five".