2225174140 has 96 divisors (see below), whose sum is σ = 5523323904. Its totient is φ = 737149440.

The previous prime is 2225174137. The next prime is 2225174153. The reversal of 2225174140 is 414715222.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2225174099 and 2225174108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 612369 + ... + 615991.

It is an arithmetic number, because the mean of its divisors is an integer number (57534624).

Almost surely, 2^2225174140 is an apocalyptic number.

2225174140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2225174140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2761661952).

2225174140 is an abundant number, since it is smaller than the sum of its proper divisors (3298149764).

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

2225174140 is a wasteful number, since it uses less digits than its factorization.

2225174140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3785 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 2225174140 is about 47171.7515044756. The cubic root of 2225174140 is about 1305.5334430968.

Adding to 2225174140 its reverse (414715222), we get a palindrome (2639889362).

The spelling of 2225174140 in words is "two billion, two hundred twenty-five million, one hundred seventy-four thousand, one hundred forty".