2252621 has 8 divisors (see below), whose sum is σ = 2710080. Its totient is φ = 1829088.

The previous prime is 2252611. The next prime is 2252623. The reversal of 2252621 is 1262522.

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 2252621 - 2⁶ = 2252557 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2252593 and 2252602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252623) 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, 8336 + ... + 8601.

It is an arithmetic number, because the mean of its divisors is an integer number (338760).

2^2252621 is an apocalyptic number.

It is an amenable number.

2252621 is a deficient number, since it is larger than the sum of its proper divisors (457459).

2252621 is a wasteful number, since it uses less digits than its factorization.

2252621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16963.

The product of its digits is 480, while the sum is 20.

The square root of 2252621 is about 1500.8734123836. The cubic root of 2252621 is about 131.0879311751.

Subtracting from 2252621 its reverse (1262522), we obtain a palindrome (990099).

The spelling of 2252621 in words is "two million, two hundred fifty-two thousand, six hundred twenty-one".