2247042440 has 32 divisors (see below), whose sum is σ = 5218940160. Its totient is φ = 869822400.

The previous prime is 2247042437. The next prime is 2247042461. The reversal of 2247042440 is 442407422.

It is a super-2 number, since 2×2247042440² = 10098399454322307200, which contains 22 as substring.

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, 904826 + ... + 907305.

It is an arithmetic number, because the mean of its divisors is an integer number (163091880).

Almost surely, 2^2247042440 is an apocalyptic number.

2247042440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2247042440 is an abundant number, since it is smaller than the sum of its proper divisors (2971897720).

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

2247042440 is a wasteful number, since it uses less digits than its factorization.

2247042440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812173 (or 1812169 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 29.

The square root of 2247042440 is about 47402.9792312677. The cubic root of 2247042440 is about 1309.7962972115.

Adding to 2247042440 its reverse (442407422), we get a palindrome (2689449862).

The spelling of 2247042440 in words is "two billion, two hundred forty-seven million, forty-two thousand, four hundred forty".