2225471 has 4 divisors (see below), whose sum is σ = 2248512. Its totient is φ = 2202432.

The previous prime is 2225429. The next prime is 2225473. The reversal of 2225471 is 1745222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1745222 = 2 ⋅872611.

It is a cyclic number.

It is not a de Polignac number, because 2225471 - 2⁶ = 2225407 is a prime.

It is a super-3 number, since 3×2225471³ = 33066412017054486333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225473) 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, 11375 + ... + 11568.

It is an arithmetic number, because the mean of its divisors is an integer number (562128).

2^2225471 is an apocalyptic number.

2225471 is a deficient number, since it is larger than the sum of its proper divisors (23041).

2225471 is an equidigital number, since it uses as much as digits as its factorization.

2225471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23040.

The product of its digits is 1120, while the sum is 23.

The square root of 2225471 is about 1491.8012602220. The cubic root of 2225471 is about 130.5591497493.

Subtracting from 2225471 its reverse (1745222), we obtain a square (480249 = 693²).

The spelling of 2225471 in words is "two million, two hundred twenty-five thousand, four hundred seventy-one".