1224401995 has 8 divisors (see below), whose sum is σ = 1503452016. Its totient is φ = 956741856.

The previous prime is 1224401989. The next prime is 1224402013. The reversal of 1224401995 is 5991044221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224401995 - 2¹¹ = 1224399947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2847232 + ... + 2847661.

It is an arithmetic number, because the mean of its divisors is an integer number (187931502).

Almost surely, 2^1224401995 is an apocalyptic number.

1224401995 is a deficient number, since it is larger than the sum of its proper divisors (279050021).

1224401995 is an equidigital number, since it uses as much as digits as its factorization.

1224401995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694941.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1224401995 is about 34991.4560285793. The cubic root of 1224401995 is about 1069.8133412424.

The spelling of 1224401995 in words is "one billion, two hundred twenty-four million, four hundred one thousand, nine hundred ninety-five".