10222445440 has 128 divisors (see below), whose sum is σ = 26029926720. Its totient is φ = 3825500160.

The previous prime is 10222445399. The next prime is 10222445449. The reversal of 10222445440 is 4454422201.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 10222445399 and 10222445408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222445449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879525 + ... + 1884955.

Almost surely, 2^10222445440 is an apocalyptic number.

10222445440 is a gapful number since it is divisible by the number (10) 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 10222445440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13014963360).

10222445440 is an abundant number, since it is smaller than the sum of its proper divisors (15807481280).

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

10222445440 is a wasteful number, since it uses less digits than its factorization.

10222445440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5640 (or 5628 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 10222445440 its reverse (4454422201), we get a palindrome (14676867641).

The spelling of 10222445440 in words is "ten billion, two hundred twenty-two million, four hundred forty-five thousand, four hundred forty".