2016402225 has 96 divisors (see below), whose sum is σ = 3563771904. Its totient is φ = 1004640000.

The previous prime is 2016402221. The next prime is 2016402229. The reversal of 2016402225 is 5222046102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2016402221) and next prime (2016402229).

It is not a de Polignac number, because 2016402225 - 2² = 2016402221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2016402195 and 2016402204.

It is not an unprimeable number, because it can be changed into a prime (2016402221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8033350 + ... + 8033600.

It is an arithmetic number, because the mean of its divisors is an integer number (37122624).

Almost surely, 2^2016402225 is an apocalyptic number.

2016402225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2016402225 is a deficient number, since it is larger than the sum of its proper divisors (1547369679).

2016402225 is a wasteful number, since it uses less digits than its factorization.

2016402225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2016402225 is about 44904.3675492708. The cubic root of 2016402225 is about 1263.3559284200.

Adding to 2016402225 its reverse (5222046102), we get a palindrome (7238448327).

The spelling of 2016402225 in words is "two billion, sixteen million, four hundred two thousand, two hundred twenty-five".