2240069581 has 4 divisors (see below), whose sum is σ = 2357968000. Its totient is φ = 2122171164.

The previous prime is 2240069537. The next prime is 2240069593. The reversal of 2240069581 is 1859600422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2240069581 - 2⁷ = 2240069453 is a prime.

It is a super-2 number, since 2×2240069581² = 10035823455443031122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240069581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240069081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58949181 + ... + 58949218.

It is an arithmetic number, because the mean of its divisors is an integer number (589492000).

Almost surely, 2^2240069581 is an apocalyptic number.

It is an amenable number.

2240069581 is a deficient number, since it is larger than the sum of its proper divisors (117898419).

2240069581 is a wasteful number, since it uses less digits than its factorization.

2240069581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117898418.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 2240069581 is about 47329.3733425660. The cubic root of 2240069581 is about 1308.4400717962.

The spelling of 2240069581 in words is "two billion, two hundred forty million, sixty-nine thousand, five hundred eighty-one".