2201025501 has 8 divisors (see below), whose sum is σ = 3260778560. Its totient is φ = 1467350316.

The previous prime is 2201025473. The next prime is 2201025517. The reversal of 2201025501 is 1055201022.

It is not a de Polignac number, because 2201025501 - 2¹⁰ = 2201024477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201025301) 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, 40759705 + ... + 40759758.

It is an arithmetic number, because the mean of its divisors is an integer number (407597320).

Almost surely, 2^2201025501 is an apocalyptic number.

It is an amenable number.

2201025501 is a deficient number, since it is larger than the sum of its proper divisors (1059753059).

2201025501 is an equidigital number, since it uses as much as digits as its factorization.

2201025501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81519472 (or 81519466 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 2201025501 is about 46915.0882019847. The cubic root of 2201025501 is about 1300.7934999794.

Adding to 2201025501 its reverse (1055201022), we get a palindrome (3256226523).

The spelling of 2201025501 in words is "two billion, two hundred one million, twenty-five thousand, five hundred one".