1340224219 has 2 divisors, whose sum is σ = 1340224220. Its totient is φ = 1340224218.

The previous prime is 1340224139. The next prime is 1340224273. The reversal of 1340224219 is 9124220431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1340224219 - 2⁹ = 1340223707 is a prime.

It is a super-2 number, since 2×1340224219² = 3592401914388319922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1340227219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670112109 + 670112110.

It is an arithmetic number, because the mean of its divisors is an integer number (670112110).

Almost surely, 2^1340224219 is an apocalyptic number.

1340224219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340224219 is an equidigital number, since it uses as much as digits as its factorization.

1340224219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1340224219 is about 36609.0729054971. The cubic root of 1340224219 is about 1102.5352594548.

The spelling of 1340224219 in words is "one billion, three hundred forty million, two hundred twenty-four thousand, two hundred nineteen".