2505215226 has 16 divisors (see below), whose sum is σ = 5012116704. Its totient is φ = 834790704.

The previous prime is 2505215221. The next prime is 2505215233. The reversal of 2505215226 is 6225125052.

2505215226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2505215226² = 12552206657164462152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2505215193 and 2505215202.

It is not an unprimeable number, because it can be changed into a prime (2505215221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50520 + ... + 86963.

It is an arithmetic number, because the mean of its divisors is an integer number (313257294).

Almost surely, 2^2505215226 is an apocalyptic number.

2505215226 is an abundant number, since it is smaller than the sum of its proper divisors (2506901478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505215226 is a wasteful number, since it uses less digits than its factorization.

2505215226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140525.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 2505215226 is about 50052.1250897502. The cubic root of 2505215226 is about 1358.1519062272.

It can be divided in two parts, 2505215 and 226, that added together give a triangular number (2505441 = T₂₂₃₈).

The spelling of 2505215226 in words is "two billion, five hundred five million, two hundred fifteen thousand, two hundred twenty-six".