2201025155 has 8 divisors (see below), whose sum is σ = 3018548832. Its totient is φ = 1509274368.

The previous prime is 2201025143. The next prime is 2201025193. The reversal of 2201025155 is 5515201022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2201025155 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201025155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31443182 + ... + 31443251.

It is an arithmetic number, because the mean of its divisors is an integer number (377318604).

Almost surely, 2^2201025155 is an apocalyptic number.

2201025155 is a deficient number, since it is larger than the sum of its proper divisors (817523677).

2201025155 is an equidigital number, since it uses as much as digits as its factorization.

2201025155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62886445.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 2201025155 is about 46915.0845144715. The cubic root of 2201025155 is about 1300.7934318181.

Adding to 2201025155 its reverse (5515201022), we get a palindrome (7716226177).

The spelling of 2201025155 in words is "two billion, two hundred one million, twenty-five thousand, one hundred fifty-five".