2090452221 has 48 divisors (see below), whose sum is σ = 3701722752. Its totient is φ = 1118620800.

The previous prime is 2090452213. The next prime is 2090452241. The reversal of 2090452221 is 1222540902.

It is a happy number.

2090452221 is a `hidden beast` number, since 209 + 0 + 452 + 2 + 2 + 1 = 666.

It is not a de Polignac number, because 2090452221 - 2³ = 2090452213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2090452241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5710 + ... + 64911.

It is an arithmetic number, because the mean of its divisors is an integer number (77119224).

Almost surely, 2^2090452221 is an apocalyptic number.

It is an amenable number.

2090452221 is a deficient number, since it is larger than the sum of its proper divisors (1611270531).

2090452221 is a wasteful number, since it uses less digits than its factorization.

2090452221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70674 (or 70671 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2090452221 is about 45721.4634608299. The cubic root of 2090452221 is about 1278.6354723526.

The spelling of 2090452221 in words is "two billion, ninety million, four hundred fifty-two thousand, two hundred twenty-one".