220404298 has 4 divisors (see below), whose sum is σ = 330606450. Its totient is φ = 110202148.

The previous prime is 220404277. The next prime is 220404299. The reversal of 220404298 is 892404022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 892404022 = 2 ⋅446202011.

It can be written as a sum of positive squares in only one way, i.e., 216590089 + 3814209 = 14717^2 + 1953^2 .

It is not an unprimeable number, because it can be changed into a prime (220404299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55101073 + ... + 55101076.

Almost surely, 2^220404298 is an apocalyptic number.

220404298 is a deficient number, since it is larger than the sum of its proper divisors (110202152).

220404298 is a wasteful number, since it uses less digits than its factorization.

220404298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110202151.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 220404298 is about 14846.0196012265. The cubic root of 220404298 is about 604.0506459440.

The spelling of 220404298 in words is "two hundred twenty million, four hundred four thousand, two hundred ninety-eight".