10222243540 has 12 divisors (see below), whose sum is σ = 21466711476. Its totient is φ = 4088897408.

The previous prime is 10222243469. The next prime is 10222243547. The reversal of 10222243540 is 4534222201.

It can be written as a sum of positive squares in 2 ways, for example, as 3438415044 + 6783828496 = 58638^2 + 82364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10222243547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255556069 + ... + 255556108.

It is an arithmetic number, because the mean of its divisors is an integer number (1788892623).

Almost surely, 2^10222243540 is an apocalyptic number.

10222243540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10222243540 is an abundant number, since it is smaller than the sum of its proper divisors (11244467936).

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

10222243540 is a wasteful number, since it uses less digits than its factorization.

10222243540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511112186 (or 511112184 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 10222243540 its reverse (4534222201), we get a palindrome (14756465741).

The spelling of 10222243540 in words is "ten billion, two hundred twenty-two million, two hundred forty-three thousand, five hundred forty".