2125532444 has 12 divisors (see below), whose sum is σ = 4251064944. Its totient is φ = 910942464.

The previous prime is 2125532417. The next prime is 2125532447. The reversal of 2125532444 is 4442355212.

2125532444 is an admirable number.

It is a super-2 number, since 2×2125532444² = 9035776340993226272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2125532444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125532447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37955909 + ... + 37955964.

It is an arithmetic number, because the mean of its divisors is an integer number (354255412).

Almost surely, 2^2125532444 is an apocalyptic number.

It is an amenable number.

2125532444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125532444 is a wasteful number, since it uses less digits than its factorization.

2125532444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75911884 (or 75911882 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 2125532444 is about 46103.4970907848. The cubic root of 2125532444 is about 1285.7481638880.

Adding to 2125532444 its reverse (4442355212), we get a palindrome (6567887656).

The spelling of 2125532444 in words is "two billion, one hundred twenty-five million, five hundred thirty-two thousand, four hundred forty-four".