220241669 has 2 divisors, whose sum is σ = 220241670. Its totient is φ = 220241668.

The previous prime is 220241621. The next prime is 220241683. The reversal of 220241669 is 966142022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217179169 + 3062500 = 14737^2 + 1750^2 .

It is a cyclic number.

It is not a de Polignac number, because 220241669 - 2¹² = 220237573 is a prime.

It is a super-2 number, since 2×220241669² = 97012785527811122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220247669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110120834 + 110120835.

It is an arithmetic number, because the mean of its divisors is an integer number (110120835).

Almost surely, 2^220241669 is an apocalyptic number.

It is an amenable number.

220241669 is a deficient number, since it is larger than the sum of its proper divisors (1).

220241669 is an equidigital number, since it uses as much as digits as its factorization.

220241669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 220241669 is about 14840.5413984800. The cubic root of 220241669 is about 603.9020397612.

The spelling of 220241669 in words is "two hundred twenty million, two hundred forty-one thousand, six hundred sixty-nine".