2758222445 has 32 divisors (see below), whose sum is σ = 3774726144. Its totient is φ = 1915214400.

The previous prime is 2758222417. The next prime is 2758222459. The reversal of 2758222445 is 5442228572.

It is not a de Polignac number, because 2758222445 - 2¹⁰ = 2758221421 is a prime.

It is a super-2 number, since 2×2758222445² = 15215582112203556050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 811700 + ... + 815090.

It is an arithmetic number, because the mean of its divisors is an integer number (117960192).

Almost surely, 2^2758222445 is an apocalyptic number.

It is an amenable number.

2758222445 is a deficient number, since it is larger than the sum of its proper divisors (1016503699).

2758222445 is a wasteful number, since it uses less digits than its factorization.

2758222445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073.

The product of its digits is 358400, while the sum is 41.

The square root of 2758222445 is about 52518.7818308841. The cubic root of 2758222445 is about 1402.4146162180.

The spelling of 2758222445 in words is "two billion, seven hundred fifty-eight million, two hundred twenty-two thousand, four hundred forty-five".