2442241581 has 16 divisors (see below), whose sum is σ = 3510675840. Its totient is φ = 1501260480.

The previous prime is 2442241577. The next prime is 2442241601. The reversal of 2442241581 is 1851422442.

It is not a de Polignac number, because 2442241581 - 2² = 2442241577 is a prime.

It is a super-2 number, since 2×2442241581² = 11929087879930759122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442241381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1771 + ... + 69911.

It is an arithmetic number, because the mean of its divisors is an integer number (219417240).

Almost surely, 2^2442241581 is an apocalyptic number.

It is an amenable number.

2442241581 is a deficient number, since it is larger than the sum of its proper divisors (1068434259).

2442241581 is a wasteful number, since it uses less digits than its factorization.

2442241581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69076.

The product of its digits is 20480, while the sum is 33.

The square root of 2442241581 is about 49419.0406725991. The cubic root of 2442241581 is about 1346.6752352642.

The spelling of 2442241581 in words is "two billion, four hundred forty-two million, two hundred forty-one thousand, five hundred eighty-one".