2241520645 has 16 divisors (see below), whose sum is σ = 3310554240. Its totient is φ = 1418808384.

The previous prime is 2241520621. The next prime is 2241520657. The reversal of 2241520645 is 5460251422.

It is not a de Polignac number, because 2241520645 - 2⁷ = 2241520517 is a prime.

It is a super-2 number, since 2×2241520645² = 10048829603922432050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2462755 + ... + 2463664.

It is an arithmetic number, because the mean of its divisors is an integer number (206909640).

Almost surely, 2^2241520645 is an apocalyptic number.

It is an amenable number.

2241520645 is a deficient number, since it is larger than the sum of its proper divisors (1069033595).

2241520645 is a wasteful number, since it uses less digits than its factorization.

2241520645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926444.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2241520645 is about 47344.7002841923. The cubic root of 2241520645 is about 1308.7225363061.

The spelling of 2241520645 in words is "two billion, two hundred forty-one million, five hundred twenty thousand, six hundred forty-five".