2221070125 has 32 divisors (see below), whose sum is σ = 2874942720. Its totient is φ = 1711124800.

The previous prime is 2221070119. The next prime is 2221070143. The reversal of 2221070125 is 5210701222.

It is not a de Polignac number, because 2221070125 - 2¹³ = 2221061933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221070096 and 2221070105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2344902 + ... + 2345848.

It is an arithmetic number, because the mean of its divisors is an integer number (89841960).

Almost surely, 2^2221070125 is an apocalyptic number.

2221070125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2221070125 is a deficient number, since it is larger than the sum of its proper divisors (653872595).

2221070125 is an equidigital number, since it uses as much as digits as its factorization.

2221070125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2221070125 is about 47128.2306584917. The cubic root of 2221070125 is about 1304.7303259993.

Adding to 2221070125 its reverse (5210701222), we get a palindrome (7431771347).

The spelling of 2221070125 in words is "two billion, two hundred twenty-one million, seventy thousand, one hundred twenty-five".