2516226345 has 12 divisors (see below), whose sum is σ = 4361459076. Its totient is φ = 1341987360.

The previous prime is 2516226341. The next prime is 2516226347. The reversal of 2516226345 is 5436226152.

2516226345 is a `hidden beast` number, since 2 + 5 + 16 + 2 + 2 + 634 + 5 = 666.

2516226345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1843757721 + 672468624 = 42939^2 + 25932^2 .

It is not a de Polignac number, because 2516226345 - 2² = 2516226341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2516226341) 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, 27958026 + ... + 27958115.

It is an arithmetic number, because the mean of its divisors is an integer number (363454923).

Almost surely, 2^2516226345 is an apocalyptic number.

It is an amenable number.

2516226345 is a deficient number, since it is larger than the sum of its proper divisors (1845232731).

2516226345 is a wasteful number, since it uses less digits than its factorization.

2516226345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55916152 (or 55916149 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 2516226345 is about 50162.0010067382. The cubic root of 2516226345 is about 1360.1388167487.

The spelling of 2516226345 in words is "two billion, five hundred sixteen million, two hundred twenty-six thousand, three hundred forty-five".