22203153240240 has 160 divisors (see below), whose sum is σ = 78677409609216. Its totient is φ = 5074051000320.

The previous prime is 22203153240211. The next prime is 22203153240259. The reversal of 22203153240240 is 4204235130222.

It is a super-2 number, since 2×22203153240240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22203153240198 and 22203153240207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7701220 + ... + 10184060.

Almost surely, 2^{22203153240240} is an apocalyptic number.

22203153240240 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 22203153240240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39338704804608).

22203153240240 is an abundant number, since it is smaller than the sum of its proper divisors (56474256368976).

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

22203153240240 is a wasteful number, since it uses less digits than its factorization.

22203153240240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488187 (or 2488181 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 22203153240240 its reverse (4204235130222), we get a palindrome (26407388370462).

The spelling of 22203153240240 in words is "twenty-two trillion, two hundred three billion, one hundred fifty-three million, two hundred forty thousand, two hundred forty".