2225225232440 has 64 divisors (see below), whose sum is σ = 5743279339200. Its totient is φ = 760098152448.

The previous prime is 2225225232413. The next prime is 2225225232449. The reversal of 2225225232440 is 442325225222.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2225225232440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225225232449) 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, 14696489 + ... + 14847128.

It is an arithmetic number, because the mean of its divisors is an integer number (89738739675).

Almost surely, 2^{2225225232440} is an apocalyptic number.

2225225232440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2225225232440 is an abundant number, since it is smaller than the sum of its proper divisors (3518054106760).

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

2225225232440 is a wasteful number, since it uses less digits than its factorization.

2225225232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29543904 (or 29543900 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

The spelling of 2225225232440 in words is "two trillion, two hundred twenty-five billion, two hundred twenty-five million, two hundred thirty-two thousand, four hundred forty".