22555087375 has 16 divisors (see below), whose sum is σ = 28164165120. Its totient is φ = 18034188000.

The previous prime is 22555087369. The next prime is 22555087381. The reversal of 22555087375 is 57378055522.

It is an interprime number because it is at equal distance from previous prime (22555087369) and next prime (22555087381).

It is not a de Polignac number, because 22555087375 - 2²¹ = 22552990223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184146 + ... + 281104.

It is an arithmetic number, because the mean of its divisors is an integer number (1760260320).

Almost surely, 2^22555087375 is an apocalyptic number.

22555087375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22555087375 is a deficient number, since it is larger than the sum of its proper divisors (5609077745).

22555087375 is an equidigital number, since it uses as much as digits as its factorization.

22555087375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98835 (or 98825 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 49.

The spelling of 22555087375 in words is "twenty-two billion, five hundred fifty-five million, eighty-seven thousand, three hundred seventy-five".