2090904227 has 4 divisors (see below), whose sum is σ = 2110445496. Its totient is φ = 2071362960.

The previous prime is 2090904209. The next prime is 2090904253. The reversal of 2090904227 is 7224090902.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2090904227 - 2¹⁸ = 2090642083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2090904287) 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, 9770474 + ... + 9770687.

It is an arithmetic number, because the mean of its divisors is an integer number (527611374).

Almost surely, 2^2090904227 is an apocalyptic number.

2090904227 is a deficient number, since it is larger than the sum of its proper divisors (19541269).

2090904227 is a wasteful number, since it uses less digits than its factorization.

2090904227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19541268.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2090904227 is about 45726.4062331603. The cubic root of 2090904227 is about 1278.7276229487.

The spelling of 2090904227 in words is "two billion, ninety million, nine hundred four thousand, two hundred twenty-seven".