2389155225 has 12 divisors (see below), whose sum is σ = 3950070096. Its totient is φ = 1274216080.

The previous prime is 2389155221. The next prime is 2389155229. The reversal of 2389155225 is 5225519832.

It is an interprime number because it is at equal distance from previous prime (2389155221) and next prime (2389155229).

It is not a de Polignac number, because 2389155225 - 2² = 2389155221 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2389155221) 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, 15927627 + ... + 15927776.

It is an arithmetic number, because the mean of its divisors is an integer number (329172508).

Almost surely, 2^2389155225 is an apocalyptic number.

2389155225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2389155225 is a deficient number, since it is larger than the sum of its proper divisors (1560914871).

2389155225 is a wasteful number, since it uses less digits than its factorization.

2389155225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31855416 (or 31855411 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 2389155225 is about 48878.9855152498. The cubic root of 2389155225 is about 1336.8462301153.

The spelling of 2389155225 in words is "two billion, three hundred eighty-nine million, one hundred fifty-five thousand, two hundred twenty-five".