2210220525 has 48 divisors (see below), whose sum is σ = 3718690560. Its totient is φ = 1158144000.

The previous prime is 2210220517. The next prime is 2210220527. The reversal of 2210220525 is 5250220122.

It is not a de Polignac number, because 2210220525 - 2³ = 2210220517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210220527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1379725 + ... + 1381325.

It is an arithmetic number, because the mean of its divisors is an integer number (77472720).

Almost surely, 2^2210220525 is an apocalyptic number.

2210220525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2210220525 is a deficient number, since it is larger than the sum of its proper divisors (1508470035).

2210220525 is a wasteful number, since it uses less digits than its factorization.

2210220525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926 (or 1921 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2210220525 is about 47012.9825154712. The cubic root of 2210220525 is about 1302.6023855963.

Adding to 2210220525 its reverse (5250220122), we get a palindrome (7460440647).

The spelling of 2210220525 in words is "two billion, two hundred ten million, two hundred twenty thousand, five hundred twenty-five".