220279054 has 4 divisors (see below), whose sum is σ = 330418584. Its totient is φ = 110139526.

The previous prime is 220279051. The next prime is 220279057. The reversal of 220279054 is 450972022.

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

It is an interprime number because it is at equal distance from previous prime (220279051) and next prime (220279057).

It is a super-2 number, since 2×220279054² = 97045723262269832, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220279051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55069762 + ... + 55069765.

It is an arithmetic number, because the mean of its divisors is an integer number (82604646).

Almost surely, 2^220279054 is an apocalyptic number.

220279054 is a deficient number, since it is larger than the sum of its proper divisors (110139530).

220279054 is a wasteful number, since it uses less digits than its factorization.

220279054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110139529.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 220279054 is about 14841.8009015079. The cubic root of 220279054 is about 603.9362076831.

The spelling of 220279054 in words is "two hundred twenty million, two hundred seventy-nine thousand, fifty-four".