1368998225 has 12 divisors (see below), whose sum is σ = 1940066304. Its totient is φ = 938741520.

The previous prime is 1368998221. The next prime is 1368998237. The reversal of 1368998225 is 5228998631.

It is not a de Polignac number, because 1368998225 - 2² = 1368998221 is a prime.

It is a super-2 number, since 2×1368998225² = 3748312280106301250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368998221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3911249 + ... + 3911598.

It is an arithmetic number, because the mean of its divisors is an integer number (161672192).

Almost surely, 2^1368998225 is an apocalyptic number.

It is an amenable number.

1368998225 is a deficient number, since it is larger than the sum of its proper divisors (571068079).

1368998225 is an equidigital number, since it uses as much as digits as its factorization.

1368998225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7822864 (or 7822859 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 1368998225 is about 36999.9760135057. The cubic root of 1368998225 is about 1110.3697669687.

The spelling of 1368998225 in words is "one billion, three hundred sixty-eight million, nine hundred ninety-eight thousand, two hundred twenty-five".