2221241145 has 32 divisors (see below), whose sum is σ = 3621888000. Its totient is φ = 1162113984.

The previous prime is 2221241137. The next prime is 2221241159. The reversal of 2221241145 is 5411421222.

It is not a de Polignac number, because 2221241145 - 2³ = 2221241137 is a prime.

It is a super-2 number, since 2×2221241145² = 9867824448481822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 460456 + ... + 465254.

It is an arithmetic number, because the mean of its divisors is an integer number (113184000).

Almost surely, 2^2221241145 is an apocalyptic number.

It is an amenable number.

2221241145 is a deficient number, since it is larger than the sum of its proper divisors (1400646855).

2221241145 is a wasteful number, since it uses less digits than its factorization.

2221241145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5389.

The product of its digits is 1280, while the sum is 24.

The square root of 2221241145 is about 47130.0450349880. The cubic root of 2221241145 is about 1304.7638127483.

Adding to 2221241145 its reverse (5411421222), we get a palindrome (7632662367).

The spelling of 2221241145 in words is "two billion, two hundred twenty-one million, two hundred forty-one thousand, one hundred forty-five".