2231349988 has 24 divisors (see below), whose sum is σ = 4535862464. Its totient is φ = 940615200.

The previous prime is 2231349983. The next prime is 2231350019. The reversal of 2231349988 is 8899431322.

It is a super-3 number, since 3×2231349988³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231349983) 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, 651498 + ... + 654913.

Almost surely, 2^2231349988 is an apocalyptic number.

2231349988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2231349988 is an abundant number, since it is smaller than the sum of its proper divisors (2304512476).

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

2231349988 is a wasteful number, since it uses less digits than its factorization.

2231349988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306483 (or 1306481 counting only the distinct ones).

The product of its digits is 746496, while the sum is 49.

The square root of 2231349988 is about 47237.1674425976. The cubic root of 2231349988 is about 1306.7401394141.

The spelling of 2231349988 in words is "two billion, two hundred thirty-one million, three hundred forty-nine thousand, nine hundred eighty-eight".