2247021045 has 12 divisors (see below), whose sum is σ = 3894836556. Its totient is φ = 1198411200.

The previous prime is 2247020999. The next prime is 2247021059. The reversal of 2247021045 is 5401207422.

It can be written as a sum of positive squares in 2 ways, for example, as 960938001 + 1286083044 = 30999^2 + 35862^2 .

It is not a de Polignac number, because 2247021045 - 2¹⁶ = 2246955509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24966856 + ... + 24966945.

It is an arithmetic number, because the mean of its divisors is an integer number (324569713).

Almost surely, 2^2247021045 is an apocalyptic number.

It is an amenable number.

2247021045 is a deficient number, since it is larger than the sum of its proper divisors (1647815511).

2247021045 is a wasteful number, since it uses less digits than its factorization.

2247021045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49933812 (or 49933809 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2247021045 is about 47402.7535592607. The cubic root of 2247021045 is about 1309.7921401648.

Adding to 2247021045 its reverse (5401207422), we get a palindrome (7648228467).

The spelling of 2247021045 in words is "two billion, two hundred forty-seven million, twenty-one thousand, forty-five".