2105022253 has 4 divisors (see below), whose sum is σ = 2144739708. Its totient is φ = 2065304800.

The previous prime is 2105022251. The next prime is 2105022259. The reversal of 2105022253 is 3522205012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1909078249 + 195944004 = 43693^2 + 13998^2 .

It is a cyclic number.

It is not a de Polignac number, because 2105022253 - 2¹ = 2105022251 is a prime.

It is a super-2 number, since 2×2105022253² = 8862237371250392018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105022251) 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, 19858648 + ... + 19858753.

It is an arithmetic number, because the mean of its divisors is an integer number (536184927).

Almost surely, 2^2105022253 is an apocalyptic number.

It is an amenable number.

2105022253 is a deficient number, since it is larger than the sum of its proper divisors (39717455).

2105022253 is an equidigital number, since it uses as much as digits as its factorization.

2105022253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39717454.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2105022253 is about 45880.5214987798. The cubic root of 2105022253 is about 1281.5992082188.

Adding to 2105022253 its reverse (3522205012), we get a palindrome (5627227265).

It can be divided in two parts, 2105022 and 253, that multiplied together give a triangular number (532570566 = T₃₂₆₃₆).

The spelling of 2105022253 in words is "two billion, one hundred five million, twenty-two thousand, two hundred fifty-three".