2254111621 has 4 divisors (see below), whose sum is σ = 2285859744. Its totient is φ = 2222363500.

The previous prime is 2254111591. The next prime is 2254111663. The reversal of 2254111621 is 1261114522.

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 a cyclic number.

It is not a de Polignac number, because 2254111621 - 2¹³ = 2254103429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2254111421) 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 3 ways as a sum of consecutive naturals, for example, 15873955 + ... + 15874096.

It is an arithmetic number, because the mean of its divisors is an integer number (571464936).

Almost surely, 2^2254111621 is an apocalyptic number.

It is an amenable number.

2254111621 is a deficient number, since it is larger than the sum of its proper divisors (31748123).

2254111621 is an equidigital number, since it uses as much as digits as its factorization.

2254111621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31748122.

The product of its digits is 960, while the sum is 25.

The square root of 2254111621 is about 47477.4854115085. The cubic root of 2254111621 is about 1311.1683962408.

The spelling of 2254111621 in words is "two billion, two hundred fifty-four million, one hundred eleven thousand, six hundred twenty-one".