2229658 has 4 divisors (see below), whose sum is σ = 3344490. Its totient is φ = 1114828.

The previous prime is 2229653. The next prime is 2229659. The reversal of 2229658 is 8569222.

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

It can be written as a sum of positive squares in only one way, i.e., 1912689 + 316969 = 1383^2 + 563^2 .

It is a d-powerful number, because it can be written as 2² + 2¹⁶ + 2¹⁶ + 9 + 6⁴ + 5³ + 8⁷ .

It is not an unprimeable number, because it can be changed into a prime (2229653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557413 + ... + 557416.

2^2229658 is an apocalyptic number.

2229658 is a deficient number, since it is larger than the sum of its proper divisors (1114832).

2229658 is a wasteful number, since it uses less digits than its factorization.

2229658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1114831.

The product of its digits is 17280, while the sum is 34.

The square root of 2229658 is about 1493.2039378464. The cubic root of 2229658 is about 130.6409764270.

The spelling of 2229658 in words is "two million, two hundred twenty-nine thousand, six hundred fifty-eight".