22263636540 has 48 divisors (see below), whose sum is σ = 62344709280. Its totient is φ = 5936348160.

The previous prime is 22263636523. The next prime is 22263636541. The reversal of 22263636540 is 4563636222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22263636541) 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, 1004296 + ... + 1026224.

It is an arithmetic number, because the mean of its divisors is an integer number (1298848110).

Almost surely, 2^22263636540 is an apocalyptic number.

22263636540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22263636540 is an abundant number, since it is smaller than the sum of its proper divisors (40081072740).

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

22263636540 is a wasteful number, since it uses less digits than its factorization.

22263636540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38862 (or 38860 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 22263636540 in words is "twenty-two billion, two hundred sixty-three million, six hundred thirty-six thousand, five hundred forty".