22223052320540 has 24 divisors (see below), whose sum is σ = 49124641972560. Its totient is φ = 8421367195008.

The previous prime is 22223052320533. The next prime is 22223052320551. The reversal of 22223052320540 is 4502325032222.

It is a junction number, because it is equal to n+sod(n) for n = 22223052320497 and 22223052320506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29240857937 + ... + 29240858696.

It is an arithmetic number, because the mean of its divisors is an integer number (2046860082190).

Almost surely, 2^{22223052320540} is an apocalyptic number.

22223052320540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22223052320540 is an abundant number, since it is smaller than the sum of its proper divisors (26901589652020).

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

22223052320540 is a wasteful number, since it uses less digits than its factorization.

22223052320540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58481716661 (or 58481716659 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 22223052320540 its reverse (4502325032222), we get a palindrome (26725377352762).

The spelling of 22223052320540 in words is "twenty-two trillion, two hundred twenty-three billion, fifty-two million, three hundred twenty thousand, five hundred forty".