22012443504 has 60 divisors (see below), whose sum is σ = 63728566200. Its totient is φ = 7084463232.

The previous prime is 22012443473. The next prime is 22012443553. The reversal of 22012443504 is 40534421022.

22012443504 is a `hidden beast` number, since 2 + 201 + 24 + 435 + 0 + 4 = 666.

It is a super-3 number, since 3×22012443504³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2631414 + ... + 2639765.

It is an arithmetic number, because the mean of its divisors is an integer number (1062142770).

Almost surely, 2^22012443504 is an apocalyptic number.

22012443504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22012443504 is an abundant number, since it is smaller than the sum of its proper divisors (41716122696).

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

22012443504 is a wasteful number, since it uses less digits than its factorization.

22012443504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5271222 (or 5271213 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 22012443504 its reverse (40534421022), we get a palindrome (62546864526).

The spelling of 22012443504 in words is "twenty-two billion, twelve million, four hundred forty-three thousand, five hundred four".