2247661515 has 24 divisors (see below), whose sum is σ = 3952915344. Its totient is φ = 1089774400.

The previous prime is 2247661441. The next prime is 2247661519. The reversal of 2247661515 is 5151667422.

It is not a de Polignac number, because 2247661515 - 2⁷ = 2247661387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2247661519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617376 + ... + 621005.

It is an arithmetic number, because the mean of its divisors is an integer number (164704806).

Almost surely, 2^2247661515 is an apocalyptic number.

2247661515 is a deficient number, since it is larger than the sum of its proper divisors (1705253829).

2247661515 is a wasteful number, since it uses less digits than its factorization.

2247661515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238411 (or 1238400 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 2247661515 is about 47409.5086981504. The cubic root of 2247661515 is about 1309.9165720037.

The spelling of 2247661515 in words is "two billion, two hundred forty-seven million, six hundred sixty-one thousand, five hundred fifteen".