220140469 has 2 divisors, whose sum is σ = 220140470. Its totient is φ = 220140468.

The previous prime is 220140467. The next prime is 220140499. The reversal of 220140469 is 964041022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119639844 + 100500625 = 10938^2 + 10025^2 .

It is a cyclic number.

It is not a de Polignac number, because 220140469 - 2¹ = 220140467 is a prime.

It is a super-2 number, since 2×220140469² = 96923652183079922, which contains 22 as substring.

Together with 220140467, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220140461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110070234 + 110070235.

It is an arithmetic number, because the mean of its divisors is an integer number (110070235).

Almost surely, 2^220140469 is an apocalyptic number.

It is an amenable number.

220140469 is a deficient number, since it is larger than the sum of its proper divisors (1).

220140469 is an equidigital number, since it uses as much as digits as its factorization.

220140469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 220140469 is about 14837.1314276042. The cubic root of 220140469 is about 603.8095288848.

The spelling of 220140469 in words is "two hundred twenty million, one hundred forty thousand, four hundred sixty-nine".