2105522354 has 16 divisors (see below), whose sum is σ = 3580241280. Its totient is φ = 920633040.

The previous prime is 2105522329. The next prime is 2105522357. The reversal of 2105522354 is 4532255012.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2105522357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130602 + ... + 2131589.

It is an arithmetic number, because the mean of its divisors is an integer number (223765080).

Almost surely, 2^2105522354 is an apocalyptic number.

2105522354 is a deficient number, since it is larger than the sum of its proper divisors (1474718926).

2105522354 is a wasteful number, since it uses less digits than its factorization.

2105522354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4262225.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2105522354 is about 45885.9712112537. The cubic root of 2105522354 is about 1281.7006922285.

Adding to 2105522354 its reverse (4532255012), we get a palindrome (6637777366).

The spelling of 2105522354 in words is "two billion, one hundred five million, five hundred twenty-two thousand, three hundred fifty-four".