2201542025 has 12 divisors (see below), whose sum is σ = 2731384332. Its totient is φ = 1760283840.

The previous prime is 2201542009. The next prime is 2201542043. The reversal of 2201542025 is 5202451022.

It can be written as a sum of positive squares in 6 ways, for example, as 16540489 + 2185001536 = 4067^2 + 46744^2 .

It is not a de Polignac number, because 2201542025 - 2⁴ = 2201542009 is a prime.

It is a super-2 number, since 2×2201542025² = 9693574575682201250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25547 + ... + 71103.

It is an arithmetic number, because the mean of its divisors is an integer number (227615361).

Almost surely, 2^2201542025 is an apocalyptic number.

2201542025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2201542025 is a deficient number, since it is larger than the sum of its proper divisors (529842307).

2201542025 is a wasteful number, since it uses less digits than its factorization.

2201542025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47500 (or 47495 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2201542025 is about 46920.5927605353. The cubic root of 2201542025 is about 1300.8952462654.

Adding to 2201542025 its reverse (5202451022), we get a palindrome (7403993047).

The spelling of 2201542025 in words is "two billion, two hundred one million, five hundred forty-two thousand, twenty-five".