2224501581 has 16 divisors (see below), whose sum is σ = 2977856000. Its totient is φ = 1477087920.

The previous prime is 2224501547. The next prime is 2224501583. The reversal of 2224501581 is 1851054222.

It is a de Polignac number, because none of the positive numbers 2^k-2224501581 is a prime.

It is a super-2 number, since 2×2224501581² = 9896814567742999122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224501583) 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, 961416 + ... + 963726.

It is an arithmetic number, because the mean of its divisors is an integer number (186116000).

Almost surely, 2^2224501581 is an apocalyptic number.

It is an amenable number.

2224501581 is a deficient number, since it is larger than the sum of its proper divisors (753354419).

2224501581 is a wasteful number, since it uses less digits than its factorization.

2224501581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 2224501581 is about 47164.6221335441. The cubic root of 2224501581 is about 1305.4018973256.

The spelling of 2224501581 in words is "two billion, two hundred twenty-four million, five hundred one thousand, five hundred eighty-one".