2225154642 has 64 divisors (see below), whose sum is σ = 4837072896. Its totient is φ = 680359680.

The previous prime is 2225154641. The next prime is 2225154643. The reversal of 2225154642 is 2464515222.

It is an interprime number because it is at equal distance from previous prime (2225154641) and next prime (2225154643).

It is not an unprimeable number, because it can be changed into a prime (2225154641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481113 + ... + 485715.

It is an arithmetic number, because the mean of its divisors is an integer number (75579264).

Almost surely, 2^2225154642 is an apocalyptic number.

2225154642 is an abundant number, since it is smaller than the sum of its proper divisors (2611918254).

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

2225154642 is a wasteful number, since it uses less digits than its factorization.

2225154642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4775.

The product of its digits is 38400, while the sum is 33.

The square root of 2225154642 is about 47171.5448337236. The cubic root of 2225154642 is about 1305.5296298574.

Adding to 2225154642 its reverse (2464515222), we get a palindrome (4689669864).

The spelling of 2225154642 in words is "two billion, two hundred twenty-five million, one hundred fifty-four thousand, six hundred forty-two".