227353494140 has 24 divisors (see below), whose sum is σ = 493905867840. Its totient is φ = 87805487168.

The previous prime is 227353494103. The next prime is 227353494143. The reversal of 227353494140 is 41494353722.

It is a happy number.

It is a super-2 number, since 2×227353494140² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 227353494091 and 227353494100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227353494143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195993812 + ... + 195994971.

It is an arithmetic number, because the mean of its divisors is an integer number (20579411160).

Almost surely, 2^227353494140 is an apocalyptic number.

227353494140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227353494140 is an abundant number, since it is smaller than the sum of its proper divisors (266552373700).

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

227353494140 is a wasteful number, since it uses less digits than its factorization.

227353494140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391988821 (or 391988819 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 227353494140 in words is "two hundred twenty-seven billion, three hundred fifty-three million, four hundred ninety-four thousand, one hundred forty".