2252105620 has 24 divisors (see below), whose sum is σ = 4730630184. Its totient is φ = 900612096.

The previous prime is 2252105591. The next prime is 2252105711. The reversal of 2252105620 is 265012522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1092566916 + 1159538704 = 33054^2 + 34052^2 .

It is a congruent number.

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, 81412 + ... + 105508.

It is an arithmetic number, because the mean of its divisors is an integer number (197109591).

Almost surely, 2^2252105620 is an apocalyptic number.

2252105620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2252105620 is an abundant number, since it is smaller than the sum of its proper divisors (2478524564).

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

2252105620 is a wasteful number, since it uses less digits than its factorization.

2252105620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28779 (or 28777 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2252105620 is about 47456.3548958409. The cubic root of 2252105620 is about 1310.7793315485.

The spelling of 2252105620 in words is "two billion, two hundred fifty-two million, one hundred five thousand, six hundred twenty".