2225261 has 4 divisors (see below), whose sum is σ = 2342400. Its totient is φ = 2108124.

The previous prime is 2225233. The next prime is 2225263. The reversal of 2225261 is 1625222.

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 a de Polignac number, because none of the positive numbers 2^k-2225261 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 (2225263) 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, 58541 + ... + 58578.

It is an arithmetic number, because the mean of its divisors is an integer number (585600).

2^2225261 is an apocalyptic number.

It is an amenable number.

2225261 is a deficient number, since it is larger than the sum of its proper divisors (117139).

2225261 is a wasteful number, since it uses less digits than its factorization.

2225261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117138.

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

The square root of 2225261 is about 1491.7308738509. The cubic root of 2225261 is about 130.5550430106. Note that the first 3 decimals are identical.

The spelling of 2225261 in words is "two million, two hundred twenty-five thousand, two hundred sixty-one".