2262621 has 4 divisors (see below), whose sum is σ = 3016832. Its totient is φ = 1508412.

The previous prime is 2262619. The next prime is 2262629. The reversal of 2262621 is 1262622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2262621 - 2¹ = 2262619 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2262629) 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, 377101 + ... + 377106.

It is an arithmetic number, because the mean of its divisors is an integer number (754208).

2^2262621 is an apocalyptic number.

It is an amenable number.

2262621 is a deficient number, since it is larger than the sum of its proper divisors (754211).

2262621 is an equidigital number, since it uses as much as digits as its factorization.

2262621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754210.

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

The square root of 2262621 is about 1504.2011168723. The cubic root of 2262621 is about 131.2816232191.

Subtracting from 2262621 its reverse (1262622), we obtain a palindrome (999999).

The spelling of 2262621 in words is "two million, two hundred sixty-two thousand, six hundred twenty-one".