220154798 has 4 divisors (see below), whose sum is σ = 330232200. Its totient is φ = 110077398.

The previous prime is 220154791. The next prime is 220154819. The reversal of 220154798 is 897451022.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220154791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55038698 + ... + 55038701.

It is an arithmetic number, because the mean of its divisors is an integer number (82558050).

Almost surely, 2^220154798 is an apocalyptic number.

220154798 is a deficient number, since it is larger than the sum of its proper divisors (110077402).

220154798 is a wasteful number, since it uses less digits than its factorization.

220154798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110077401.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 220154798 is about 14837.6142961057. The cubic root of 220154798 is about 603.8226293066.

The spelling of 220154798 in words is "two hundred twenty million, one hundred fifty-four thousand, seven hundred ninety-eight".