2235621125 has 32 divisors (see below), whose sum is σ = 2973436128. Its totient is φ = 1672320000.

The previous prime is 2235621119. The next prime is 2235621133. The reversal of 2235621125 is 5211265322.

It can be written as a sum of positive squares in 16 ways, for example, as 1595682916 + 639938209 = 39946^2 + 25297^2 .

It is not a de Polignac number, because 2235621125 - 2⁶ = 2235621061 is a prime.

It is a super-3 number, since 3×2235621125³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330275 + ... + 336975.

It is an arithmetic number, because the mean of its divisors is an integer number (92919879).

Almost surely, 2^2235621125 is an apocalyptic number.

2235621125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2235621125 is a deficient number, since it is larger than the sum of its proper divisors (737815003).

2235621125 is a wasteful number, since it uses less digits than its factorization.

2235621125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890 (or 6880 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 2235621125 is about 47282.3553241587. The cubic root of 2235621125 is about 1307.5733732330.

Adding to 2235621125 its reverse (5211265322), we get a palindrome (7446886447).

The spelling of 2235621125 in words is "two billion, two hundred thirty-five million, six hundred twenty-one thousand, one hundred twenty-five".