2245988 has 12 divisors (see below), whose sum is σ = 3966060. Its totient is φ = 1112832.

The previous prime is 2245979. The next prime is 2245993. The reversal of 2245988 is 8895422.

It can be written as a sum of positive squares in 2 ways, for example, as 195364 + 2050624 = 442^2 + 1432^2 .

It is a super-2 number, since 2×2245988² = 10088924192288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2033 + ... + 2936.

It is an arithmetic number, because the mean of its divisors is an integer number (330505).

2^2245988 is an apocalyptic number.

It is an amenable number.

2245988 is a deficient number, since it is larger than the sum of its proper divisors (1720072).

2245988 is a wasteful number, since it uses less digits than its factorization.

2245988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086 (or 5084 counting only the distinct ones).

The product of its digits is 46080, while the sum is 38.

The square root of 2245988 is about 1498.6620699811. The cubic root of 2245988 is about 130.9591388206.

The spelling of 2245988 in words is "two million, two hundred forty-five thousand, nine hundred eighty-eight".