220362445 has 16 divisors (see below), whose sum is σ = 275574960. Its totient is φ = 168953344.

The previous prime is 220362421. The next prime is 220362469. The reversal of 220362445 is 544263022.

It is an interprime number because it is at equal distance from previous prime (220362421) and next prime (220362469).

It can be written as a sum of positive squares in 8 ways, for example, as 6120676 + 214241769 = 2474^2 + 14637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220362445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14319 + ... + 25411.

It is an arithmetic number, because the mean of its divisors is an integer number (17223435).

Almost surely, 2^220362445 is an apocalyptic number.

It is an amenable number.

220362445 is a deficient number, since it is larger than the sum of its proper divisors (55212515).

220362445 is a wasteful number, since it uses less digits than its factorization.

220362445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11264.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 220362445 is about 14844.6099645629. The cubic root of 220362445 is about 604.0124087403.

The spelling of 220362445 in words is "two hundred twenty million, three hundred sixty-two thousand, four hundred forty-five".