22621315104 has 72 divisors (see below), whose sum is σ = 64344309120. Its totient is φ = 7538686848.

The previous prime is 22621315103. The next prime is 22621315111. The reversal of 22621315104 is 40151312622.

22621315104 is a `hidden beast` number, since 2 + 2 + 621 + 31 + 5 + 1 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (22621315103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1998549 + ... + 2009835.

It is an arithmetic number, because the mean of its divisors is an integer number (893670960).

Almost surely, 2^22621315104 is an apocalyptic number.

22621315104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22621315104 is an abundant number, since it is smaller than the sum of its proper divisors (41722994016).

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

22621315104 is a wasteful number, since it uses less digits than its factorization.

22621315104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18262 (or 18251 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 22621315104 its reverse (40151312622), we get a palindrome (62772627726).

The spelling of 22621315104 in words is "twenty-two billion, six hundred twenty-one million, three hundred fifteen thousand, one hundred four".