2240019 has 6 divisors (see below), whose sum is σ = 3235596. Its totient is φ = 1493340.

The previous prime is 2240003. The next prime is 2240023. The reversal of 2240019 is 9100422.

It is not a de Polignac number, because 2240019 - 2⁴ = 2240003 is a prime.

It is a super-2 number, since 2×2240019² = 10035370240722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2239983 and 2240010.

It is not an unprimeable number, because it can be changed into a prime (2240089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124437 + ... + 124454.

It is an arithmetic number, because the mean of its divisors is an integer number (539266).

2^2240019 is an apocalyptic number.

2240019 is a deficient number, since it is larger than the sum of its proper divisors (995577).

2240019 is a wasteful number, since it uses less digits than its factorization.

2240019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248897 (or 248894 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2240019 is about 1496.6693021506. The cubic root of 2240019 is about 130.8430223485.

The spelling of 2240019 in words is "two million, two hundred forty thousand, nineteen".