2231726740 has 48 divisors (see below), whose sum is σ = 4730140800. Its totient is φ = 884437632.

The previous prime is 2231726737. The next prime is 2231726759. The reversal of 2231726740 is 476271322.

It is a super-3 number, since 3×2231726740³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231726696 and 2231726705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377651 + ... + 1379269.

It is an arithmetic number, because the mean of its divisors is an integer number (98544600).

Almost surely, 2^2231726740 is an apocalyptic number.

2231726740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231726740 is an abundant number, since it is smaller than the sum of its proper divisors (2498414060).

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

2231726740 is a wasteful number, since it uses less digits than its factorization.

2231726740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2224 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 2231726740 is about 47241.1551509910. The cubic root of 2231726740 is about 1306.8136807318.

The spelling of 2231726740 in words is "two billion, two hundred thirty-one million, seven hundred twenty-six thousand, seven hundred forty".