22765155270 has 128 divisors (see below), whose sum is σ = 64430069760. Its totient is φ = 5075105280.

The previous prime is 22765155269. The next prime is 22765155271. The reversal of 22765155270 is 7255156722.

It is an interprime number because it is at equal distance from previous prime (22765155269) and next prime (22765155271).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22765155271) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1144147 + ... + 1163873.

It is an arithmetic number, because the mean of its divisors is an integer number (503359920).

Almost surely, 2^22765155270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22765155270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32215034880).

22765155270 is an abundant number, since it is smaller than the sum of its proper divisors (41664914490).

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

22765155270 is a wasteful number, since it uses less digits than its factorization.

22765155270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20030.

The product of its (nonzero) digits is 294000, while the sum is 42.

The spelling of 22765155270 in words is "twenty-two billion, seven hundred sixty-five million, one hundred fifty-five thousand, two hundred seventy".