2222402557540 has 96 divisors (see below), whose sum is σ = 5376196022400. Its totient is φ = 763196728320.

The previous prime is 2222402557537. The next prime is 2222402557547. The reversal of 2222402557540 is 457552042222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2222402557493 and 2222402557502.

It is not an unprimeable number, because it can be changed into a prime (2222402557547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 486456 + ... + 2163664.

It is an arithmetic number, because the mean of its divisors is an integer number (56002041900).

Almost surely, 2^{2222402557540} is an apocalyptic number.

2222402557540 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 2222402557540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2688098011200).

2222402557540 is an abundant number, since it is smaller than the sum of its proper divisors (3153793464860).

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

2222402557540 is a wasteful number, since it uses less digits than its factorization.

2222402557540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677565 (or 1677563 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 40.

Adding to 2222402557540 its reverse (457552042222), we get a palindrome (2679954599762).

The spelling of 2222402557540 in words is "two trillion, two hundred twenty-two billion, four hundred two million, five hundred fifty-seven thousand, five hundred forty".