225734681722 has 24 divisors (see below), whose sum is σ = 377280806868. Its totient is φ = 101201094720.

The previous prime is 225734681701. The next prime is 225734681729. The reversal of 225734681722 is 227186437522.

It can be written as a sum of positive squares in 2 ways, for example, as 199441734921 + 26292946801 = 446589^2 + 162151^2 .

It is a super-2 number, since 2×225734681722² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225734681729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6371293 + ... + 6406624.

Almost surely, 2^225734681722 is an apocalyptic number.

225734681722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225734681722 is a deficient number, since it is larger than the sum of its proper divisors (151546125146).

225734681722 is a wasteful number, since it uses less digits than its factorization.

225734681722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12778014 (or 12778003 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 49.

The spelling of 225734681722 in words is "two hundred twenty-five billion, seven hundred thirty-four million, six hundred eighty-one thousand, seven hundred twenty-two".