2512105222 has 16 divisors (see below), whose sum is σ = 4252467600. Its totient is φ = 1102491040.

The previous prime is 2512105207. The next prime is 2512105223. The reversal of 2512105222 is 2225012152.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2512105193 and 2512105202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2512105223) 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, 1968097 + ... + 1969372.

It is an arithmetic number, because the mean of its divisors is an integer number (265779225).

Almost surely, 2^2512105222 is an apocalyptic number.

2512105222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2512105222 is a deficient number, since it is larger than the sum of its proper divisors (1740362378).

2512105222 is a wasteful number, since it uses less digits than its factorization.

2512105222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937511.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2512105222 is about 50120.9060373014. The cubic root of 2512105222 is about 1359.3958573147.

Adding to 2512105222 its reverse (2225012152), we get a palindrome (4737117374).

The spelling of 2512105222 in words is "two billion, five hundred twelve million, one hundred five thousand, two hundred twenty-two".