1625622 has 8 divisors (see below), whose sum is σ = 3251256. Its totient is φ = 541872.

The previous prime is 1625587. The next prime is 1625629. The reversal of 1625622 is 2265261.

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

1625622 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1625592 and 1625601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135463 + ... + 135474.

It is an arithmetic number, because the mean of its divisors is an integer number (406407).

2^1625622 is an apocalyptic number.

1625622 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.

1625622 is a wasteful number, since it uses less digits than its factorization.

1625622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270942.

The product of its digits is 1440, while the sum is 24.

The square root of 1625622 is about 1274.9988235289. The cubic root of 1625622 is about 117.5817327821.

The spelling of 1625622 in words is "one million, six hundred twenty-five thousand, six hundred twenty-two".