2501622 has 24 divisors (see below), whose sum is σ = 5537376. Its totient is φ = 815856.

The previous prime is 2501599. The next prime is 2501623. The reversal of 2501622 is 2261052.

It is a super-2 number, since 2×2501622² = 12516225261768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2501595 and 2501604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 633 + ... + 2324.

It is an arithmetic number, because the mean of its divisors is an integer number (230724).

2^2501622 is an apocalyptic number.

2501622 is an abundant number, since it is smaller than the sum of its proper divisors (3035754).

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

2501622 is a wasteful number, since it uses less digits than its factorization.

2501622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2501622 is about 1581.6516683518. The cubic root of 2501622 is about 135.7502263867.

Adding to 2501622 its reverse (2261052), we get a palindrome (4762674).

The spelling of 2501622 in words is "two million, five hundred one thousand, six hundred twenty-two".