2290387228 has 24 divisors (see below), whose sum is σ = 4071513600. Its totient is φ = 1127127408.

The previous prime is 2290387199. The next prime is 2290387247. The reversal of 2290387228 is 8227830922.

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, 382683 + ... + 388621.

It is an arithmetic number, because the mean of its divisors is an integer number (169646400).

Almost surely, 2^2290387228 is an apocalyptic number.

It is an amenable number.

2290387228 is a deficient number, since it is larger than the sum of its proper divisors (1781126372).

2290387228 is a wasteful number, since it uses less digits than its factorization.

2290387228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7449 (or 7447 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 2290387228 is about 47857.9902210697. The cubic root of 2290387228 is about 1318.1645802478.

The spelling of 2290387228 in words is "two billion, two hundred ninety million, three hundred eighty-seven thousand, two hundred twenty-eight".