2243635140 has 96 divisors (see below), whose sum is σ = 6660864000. Its totient is φ = 562695552.

The previous prime is 2243635117. The next prime is 2243635151. The reversal of 2243635140 is 415363422.

2243635140 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2243635098 and 2243635107.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151381 + ... + 165539.

It is an arithmetic number, because the mean of its divisors is an integer number (69384000).

Almost surely, 2^2243635140 is an apocalyptic number.

2243635140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2243635140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3330432000).

2243635140 is an abundant number, since it is smaller than the sum of its proper divisors (4417228860).

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

2243635140 is a wasteful number, since it uses less digits than its factorization.

2243635140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14329 (or 14327 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 2243635140 is about 47367.0258724358. The cubic root of 2243635140 is about 1309.1339263098.

Adding to 2243635140 its reverse (415363422), we get a palindrome (2658998562).

It can be divided in two parts, 224363 and 5140, that added together give a triangular number (229503 = T₆₇₇).

The spelling of 2243635140 in words is "two billion, two hundred forty-three million, six hundred thirty-five thousand, one hundred forty".