1622622 has 8 divisors (see below), whose sum is σ = 3245256. Its totient is φ = 540872.

The previous prime is 1622617. The next prime is 1622639. The reversal of 1622622 is 2262261.

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

1622622 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135213 + ... + 135224.

It is an arithmetic number, because the mean of its divisors is an integer number (405657).

2^1622622 is an apocalyptic number.

1622622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1622622 is a wasteful number, since it uses less digits than its factorization.

1622622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270442.

The product of its digits is 576, while the sum is 21.

The square root of 1622622 is about 1273.8218085745. The cubic root of 1622622 is about 117.5093579389.

Adding to 1622622 its reverse (2262261), we get a palindrome (3884883).

The spelling of 1622622 in words is "one million, six hundred twenty-two thousand, six hundred twenty-two".