2247987 has 16 divisors (see below), whose sum is σ = 3451392. Its totient is φ = 1274880.

The previous prime is 2247977. The next prime is 2247991. The reversal of 2247987 is 7897422.

It is not a de Polignac number, because 2247987 - 2⁶ = 2247923 is a prime.

It is a d-powerful number, because it can be written as 2 + 2²¹ + 4³ + 7³ + 9 + 8⁵ + 7⁶ .

It is not an unprimeable number, because it can be changed into a prime (2247977) 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, 3187 + ... + 3827.

It is an arithmetic number, because the mean of its divisors is an integer number (215712).

2^2247987 is an apocalyptic number.

2247987 is a deficient number, since it is larger than the sum of its proper divisors (1203405).

2247987 is a wasteful number, since it uses less digits than its factorization.

2247987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818.

The product of its digits is 56448, while the sum is 39.

The square root of 2247987 is about 1499.3288498525. The cubic root of 2247987 is about 130.9979798845.

The spelling of 2247987 in words is "two million, two hundred forty-seven thousand, nine hundred eighty-seven".