225775417164 has 48 divisors (see below), whose sum is σ = 608507012736. Its totient is φ = 64392275200.

The previous prime is 225775417159. The next prime is 225775417169. The reversal of 225775417164 is 461714577522.

It is an interprime number because it is at equal distance from previous prime (225775417159) and next prime (225775417169).

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (225775417169) 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, 50304222 + ... + 50308709.

It is an arithmetic number, because the mean of its divisors is an integer number (12677229432).

Almost surely, 2^225775417164 is an apocalyptic number.

It is an amenable number.

225775417164 is an abundant number, since it is smaller than the sum of its proper divisors (382731595572).

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

225775417164 is a wasteful number, since it uses less digits than its factorization.

225775417164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100612966 (or 100612964 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 51.

The spelling of 225775417164 in words is "two hundred twenty-five billion, seven hundred seventy-five million, four hundred seventeen thousand, one hundred sixty-four".