220454546 has 16 divisors (see below), whose sum is σ = 356384448. Its totient is φ = 101672400.

The previous prime is 220454543. The next prime is 220454569. The reversal of 220454546 is 645454022.

It is a super-2 number, since 2×220454546² = 97200413704132232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220454543) 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, 48011 + ... + 52401.

It is an arithmetic number, because the mean of its divisors is an integer number (22274028).

Almost surely, 2^220454546 is an apocalyptic number.

220454546 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

220454546 is a deficient number, since it is larger than the sum of its proper divisors (135929902).

220454546 is a wasteful number, since it uses less digits than its factorization.

220454546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6337.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 220454546 is about 14847.7118102420. The cubic root of 220454546 is about 604.0965464865.

The spelling of 220454546 in words is "two hundred twenty million, four hundred fifty-four thousand, five hundred forty-six".