22001341788 has 72 divisors (see below), whose sum is σ = 56044388400. Its totient is φ = 7277195520.

The previous prime is 22001341777. The next prime is 22001341799. The reversal of 22001341788 is 88714310022.

22001341788 is a `hidden beast` number, since 220 + 0 + 13 + 417 + 8 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (22001341777) and next prime (22001341799).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8725968 + ... + 8728488.

Almost surely, 2^22001341788 is an apocalyptic number.

It is an amenable number.

22001341788 is an abundant number, since it is smaller than the sum of its proper divisors (34043046612).

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

22001341788 is a wasteful number, since it uses less digits than its factorization.

22001341788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4307 (or 4302 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 22001341788 in words is "twenty-two billion, one million, three hundred forty-one thousand, seven hundred eighty-eight".