2225420 has 12 divisors (see below), whose sum is σ = 4673424. Its totient is φ = 890160.

The previous prime is 2225407. The next prime is 2225429. The reversal of 2225420 is 245222.

It is not an unprimeable number, because it can be changed into a prime (2225429) 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, 55616 + ... + 55655.

It is an arithmetic number, because the mean of its divisors is an integer number (389452).

2^2225420 is an apocalyptic number.

2225420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225420 is an abundant number, since it is smaller than the sum of its proper divisors (2448004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2225420 is a wasteful number, since it uses less digits than its factorization.

2225420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111280 (or 111278 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 2225420 is about 1491.7841666944. The cubic root of 2225420 is about 130.5581524222.

The spelling of 2225420 in words is "two million, two hundred twenty-five thousand, four hundred twenty".