2522256145 has 8 divisors (see below), whose sum is σ = 3108510504. Its totient is φ = 1963269504.

The previous prime is 2522256101. The next prime is 2522256169. The reversal of 2522256145 is 5416522252.

It can be written as a sum of positive squares in 4 ways, for example, as 339591184 + 2182664961 = 18428^2 + 46719^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2522256145 is a prime.

It is a super-2 number, since 2×2522256145² = 12723552121980522050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2522256145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6816724 + ... + 6817093.

It is an arithmetic number, because the mean of its divisors is an integer number (388563813).

Almost surely, 2^2522256145 is an apocalyptic number.

It is an amenable number.

2522256145 is a deficient number, since it is larger than the sum of its proper divisors (586254359).

2522256145 is a wasteful number, since it uses less digits than its factorization.

2522256145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13633859.

The product of its digits is 48000, while the sum is 34.

The square root of 2522256145 is about 50222.0683066717. The cubic root of 2522256145 is about 1361.2244136523.

Adding to 2522256145 its reverse (5416522252), we get a palindrome (7938778397).

The spelling of 2522256145 in words is "two billion, five hundred twenty-two million, two hundred fifty-six thousand, one hundred forty-five".