222025453540 has 48 divisors (see below), whose sum is σ = 519462284544. Its totient is φ = 79018726400.

The previous prime is 222025453511. The next prime is 222025453571. The reversal of 222025453540 is 45354520222.

It is a junction number, because it is equal to n+sod(n) for n = 222025453496 and 222025453505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10725901 + ... + 10746580.

It is an arithmetic number, because the mean of its divisors is an integer number (10822130928).

Almost surely, 2^222025453540 is an apocalyptic number.

222025453540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222025453540 is an abundant number, since it is smaller than the sum of its proper divisors (297436831004).

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

222025453540 is a wasteful number, since it uses less digits than its factorization.

222025453540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21472548 (or 21472546 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 222025453540 its reverse (45354520222), we get a palindrome (267379973762).

The spelling of 222025453540 in words is "two hundred twenty-two billion, twenty-five million, four hundred fifty-three thousand, five hundred forty".