2222425540 has 24 divisors (see below), whose sum is σ = 4667990040. Its totient is φ = 888799488.

The previous prime is 2222425529. The next prime is 2222425549. The reversal of 2222425540 is 455242222.

It can be written as a sum of positive squares in 4 ways, for example, as 11168964 + 2211256576 = 3342^2 + 47024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2222425499 and 2222425508.

It is not an unprimeable number, because it can be changed into a prime (2222425549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174096 + ... + 186424.

It is an arithmetic number, because the mean of its divisors is an integer number (194499585).

Almost surely, 2^2222425540 is an apocalyptic number.

2222425540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222425540 is an abundant number, since it is smaller than the sum of its proper divisors (2445564500).

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

2222425540 is a wasteful number, since it uses less digits than its factorization.

2222425540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21351 (or 21349 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 2222425540 is about 47142.6085404701. The cubic root of 2222425540 is about 1304.9956772854.

Adding to 2222425540 its reverse (455242222), we get a palindrome (2677667762).

The spelling of 2222425540 in words is "two billion, two hundred twenty-two million, four hundred twenty-five thousand, five hundred forty".