2229490 has 16 divisors (see below), whose sum is σ = 4050648. Its totient is φ = 883456.

The previous prime is 2229473. The next prime is 2229497. The reversal of 2229490 is 949222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 772641 + 1456849 = 879^2 + 1207^2 .

It is a d-powerful number, because it can be written as 2⁹ + 2¹⁷ + 2²¹ + 9 + 4² + 9³ + 0 .

It is not an unprimeable number, because it can be changed into a prime (2229497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144 + ... + 2116.

2^2229490 is an apocalyptic number.

2229490 is a deficient number, since it is larger than the sum of its proper divisors (1821158).

2229490 is a wasteful number, since it uses less digits than its factorization.

2229490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2229490 is about 1493.1476819123. The cubic root of 2229490 is about 130.6376951711.

The spelling of 2229490 in words is "two million, two hundred twenty-nine thousand, four hundred ninety".