220355542 has 16 divisors (see below), whose sum is σ = 360905472. Its totient is φ = 100071720.

The previous prime is 220355507. The next prime is 220355549. The reversal of 220355542 is 245553022.

It is a super-2 number, since 2×220355542² = 97113129780227528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 220355542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220355549) 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, 24823 + ... + 32509.

It is an arithmetic number, because the mean of its divisors is an integer number (22556592).

Almost surely, 2^220355542 is an apocalyptic number.

220355542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220355542 is a deficient number, since it is larger than the sum of its proper divisors (140549930).

220355542 is a wasteful number, since it uses less digits than its factorization.

220355542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9003.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 220355542 is about 14844.3774541070. The cubic root of 220355542 is about 604.0061016444.

The spelling of 220355542 in words is "two hundred twenty million, three hundred fifty-five thousand, five hundred forty-two".