2225420120 has 64 divisors (see below), whose sum is σ = 6242745600. Its totient is φ = 693636480.

The previous prime is 2225420107. The next prime is 2225420129. The reversal of 2225420120 is 210245222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2225420092 and 2225420101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225420129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358190 + ... + 364349.

It is an arithmetic number, because the mean of its divisors is an integer number (97542900).

Almost surely, 2^2225420120 is an apocalyptic number.

2225420120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225420120 is an abundant number, since it is smaller than the sum of its proper divisors (4017325480).

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

2225420120 is a wasteful number, since it uses less digits than its factorization.

2225420120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722568 (or 722564 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2225420120 is about 47174.3587131823. The cubic root of 2225420120 is about 1305.5815476890.

Adding to 2225420120 its reverse (210245222), we get a palindrome (2435665342).

The spelling of 2225420120 in words is "two billion, two hundred twenty-five million, four hundred twenty thousand, one hundred twenty".