2222555540 has 24 divisors (see below), whose sum is σ = 4817928192. Its totient is φ = 860343840.

The previous prime is 2222555539. The next prime is 2222555597. The reversal of 2222555540 is 455552222.

It is a junction number, because it is equal to n+sod(n) for n = 2222555497 and 2222555506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1791764 + ... + 1793003.

It is an arithmetic number, because the mean of its divisors is an integer number (200747008).

Almost surely, 2^2222555540 is an apocalyptic number.

2222555540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222555540 is an abundant number, since it is smaller than the sum of its proper divisors (2595372652).

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

2222555540 is a wasteful number, since it uses less digits than its factorization.

2222555540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584807 (or 3584805 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 32.

The square root of 2222555540 is about 47143.9873154573. The cubic root of 2222555540 is about 1305.0211218769.

The spelling of 2222555540 in words is "two billion, two hundred twenty-two million, five hundred fifty-five thousand, five hundred forty".