2227990 has 8 divisors (see below), whose sum is σ = 4010400. Its totient is φ = 891192.

The previous prime is 2227963. The next prime is 2228011. The reversal of 2227990 is 997222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111390 + ... + 111409.

It is an arithmetic number, because the mean of its divisors is an integer number (501300).

2^2227990 is an apocalyptic number.

2227990 is a deficient number, since it is larger than the sum of its proper divisors (1782410).

2227990 is a wasteful number, since it uses less digits than its factorization.

2227990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222806.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2227990 is about 1492.6453028097. The cubic root of 2227990 is about 130.6083909348.

The spelling of 2227990 in words is "two million, two hundred twenty-seven thousand, nine hundred ninety".