2211560625 has 20 divisors (see below), whose sum is σ = 3684758000. Its totient is φ = 1179498000.

The previous prime is 2211560621. The next prime is 2211560669. The reversal of 2211560625 is 5260651122.

2211560625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2211560625 - 2² = 2211560621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211560592 and 2211560601.

It is not an unprimeable number, because it can be changed into a prime (2211560621) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 587875 + ... + 591624.

It is an arithmetic number, because the mean of its divisors is an integer number (184237900).

Almost surely, 2^2211560625 is an apocalyptic number.

2211560625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2211560625 is a deficient number, since it is larger than the sum of its proper divisors (1473197375).

2211560625 is an equidigital number, since it uses as much as digits as its factorization.

2211560625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179522 (or 1179507 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2211560625 is about 47027.2328018564. The cubic root of 2211560625 is about 1302.8655968544.

The spelling of 2211560625 in words is "two billion, two hundred eleven million, five hundred sixty thousand, six hundred twenty-five".