220252845 has 32 divisors (see below), whose sum is σ = 373726080. Its totient is φ = 110453760.

The previous prime is 220252817. The next prime is 220252847. The reversal of 220252845 is 548252022.

It is not a de Polignac number, because 220252845 - 2⁷ = 220252717 is a prime.

It is a super-2 number, since 2×220252845² = 97022631461188050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220252847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36225 + ... + 41865.

It is an arithmetic number, because the mean of its divisors is an integer number (11678940).

Almost surely, 2^220252845 is an apocalyptic number.

It is an amenable number.

220252845 is a deficient number, since it is larger than the sum of its proper divisors (153473235).

220252845 is a wasteful number, since it uses less digits than its factorization.

220252845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5805.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 220252845 is about 14840.9179298317. The cubic root of 220252845 is about 603.9122544420.

The spelling of 220252845 in words is "two hundred twenty million, two hundred fifty-two thousand, eight hundred forty-five".