220675537 has 2 divisors, whose sum is σ = 220675538. Its totient is φ = 220675536.

The previous prime is 220675463. The next prime is 220675579. The reversal of 220675537 is 735576022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217592001 + 3083536 = 14751^2 + 1756^2 .

It is a cyclic number.

It is not a de Polignac number, because 220675537 - 2¹¹ = 220673489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220675496 and 220675505.

It is not a weakly prime, because it can be changed into another prime (220675237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110337768 + 110337769.

It is an arithmetic number, because the mean of its divisors is an integer number (110337769).

Almost surely, 2^220675537 is an apocalyptic number.

It is an amenable number.

220675537 is a deficient number, since it is larger than the sum of its proper divisors (1).

220675537 is an equidigital number, since it uses as much as digits as its factorization.

220675537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 220675537 is about 14855.1518672816. The cubic root of 220675537 is about 604.2983345934.

The spelling of 220675537 in words is "two hundred twenty million, six hundred seventy-five thousand, five hundred thirty-seven".