2233442440 has 32 divisors (see below), whose sum is σ = 5043951000. Its totient is φ = 890051584.

The previous prime is 2233442429. The next prime is 2233442467. The reversal of 2233442440 is 442443322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1174981284 + 1058461156 = 34278^2 + 32534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2233442399 and 2233442408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93025 + ... + 114544.

Almost surely, 2^2233442440 is an apocalyptic number.

2233442440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2233442440 is an abundant number, since it is smaller than the sum of its proper divisors (2810508560).

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

2233442440 is a wasteful number, since it uses less digits than its factorization.

2233442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207849 (or 207845 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 2233442440 is about 47259.3106170625. The cubic root of 2233442440 is about 1307.1484776821.

Adding to 2233442440 its reverse (442443322), we get a palindrome (2675885762).

The spelling of 2233442440 in words is "two billion, two hundred thirty-three million, four hundred forty-two thousand, four hundred forty".