22686133540 has 48 divisors (see below), whose sum is σ = 54680476032. Its totient is φ = 7744709376.

The previous prime is 22686133517. The next prime is 22686133541. The reversal of 22686133540 is 4533168622.

It is a junction number, because it is equal to n+sod(n) for n = 22686133493 and 22686133502.

It is not an unprimeable number, because it can be changed into a prime (22686133541) 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, 315114 + ... + 380353.

It is an arithmetic number, because the mean of its divisors is an integer number (1139176584).

Almost surely, 2^22686133540 is an apocalyptic number.

22686133540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22686133540 is an abundant number, since it is smaller than the sum of its proper divisors (31994342492).

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

22686133540 is a wasteful number, since it uses less digits than its factorization.

22686133540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695716 (or 695714 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 22686133540 in words is "twenty-two billion, six hundred eighty-six million, one hundred thirty-three thousand, five hundred forty".