2285386990 has 16 divisors (see below), whose sum is σ = 4123204848. Its totient is φ = 912041856.

The previous prime is 2285386981. The next prime is 2285387011. The reversal of 2285386990 is 996835822.

It is a happy number.

It is a super-2 number, since 2×2285386990² = 10445987388122520200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259572 + ... + 268231.

It is an arithmetic number, because the mean of its divisors is an integer number (257700303).

Almost surely, 2^2285386990 is an apocalyptic number.

2285386990 is a deficient number, since it is larger than the sum of its proper divisors (1837817858).

2285386990 is a wasteful number, since it uses less digits than its factorization.

2285386990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528243.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The square root of 2285386990 is about 47805.7213103202. The cubic root of 2285386990 is about 1317.2046350138.

The spelling of 2285386990 in words is "two billion, two hundred eighty-five million, three hundred eighty-six thousand, nine hundred ninety".