225745861715 has 8 divisors (see below), whose sum is σ = 295521855408. Its totient is φ = 164178808480.

The previous prime is 225745861703. The next prime is 225745861753. The reversal of 225745861715 is 517168547522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225745861715 - 2¹⁸ = 225745599571 is a prime.

It is a super-2 number, since 2×225745861715² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2052235052 + ... + 2052235161.

It is an arithmetic number, because the mean of its divisors is an integer number (36940231926).

Almost surely, 2^225745861715 is an apocalyptic number.

225745861715 is a deficient number, since it is larger than the sum of its proper divisors (69775993693).

225745861715 is a wasteful number, since it uses less digits than its factorization.

225745861715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4104470229.

The product of its digits is 4704000, while the sum is 53.

The spelling of 225745861715 in words is "two hundred twenty-five billion, seven hundred forty-five million, eight hundred sixty-one thousand, seven hundred fifteen".