2122205254 has 32 divisors (see below), whose sum is σ = 3581512704. Its totient is φ = 936433440.

The previous prime is 2122205231. The next prime is 2122205269. The reversal of 2122205254 is 4525022212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51037 + ... + 82759.

It is an arithmetic number, because the mean of its divisors is an integer number (111922272).

Almost surely, 2^2122205254 is an apocalyptic number.

2122205254 is a deficient number, since it is larger than the sum of its proper divisors (1459307450).

2122205254 is a wasteful number, since it uses less digits than its factorization.

2122205254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31852.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2122205254 is about 46067.3990366289. The cubic root of 2122205254 is about 1285.0769340303.

Adding to 2122205254 its reverse (4525022212), we get a palindrome (6647227466).

The spelling of 2122205254 in words is "two billion, one hundred twenty-two million, two hundred five thousand, two hundred fifty-four".