225734236155 has 32 divisors (see below), whose sum is σ = 404987035200. Its totient is φ = 119287074816.

The previous prime is 225734236151. The next prime is 225734236159. The reversal of 225734236155 is 551632437522.

225734236155 is a `hidden beast` number, since 2 + 2 + 5 + 7 + 3 + 4 + 23 + 615 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (225734236151) and next prime (225734236159).

It is not a de Polignac number, because 225734236155 - 2² = 225734236151 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 225734236155.

It is not an unprimeable number, because it can be changed into a prime (225734236151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7655494 + ... + 7684923.

It is an arithmetic number, because the mean of its divisors is an integer number (12655844850).

Almost surely, 2^225734236155 is an apocalyptic number.

225734236155 is a deficient number, since it is larger than the sum of its proper divisors (179252799045).

225734236155 is a wasteful number, since it uses less digits than its factorization.

225734236155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15340540 (or 15340534 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The spelling of 225734236155 in words is "two hundred twenty-five billion, seven hundred thirty-four million, two hundred thirty-six thousand, one hundred fifty-five".