220515049 has 2 divisors, whose sum is σ = 220515050. Its totient is φ = 220515048.

The previous prime is 220515019. The next prime is 220515067. The reversal of 220515049 is 940515022.

220515049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198612649 + 21902400 = 14093^2 + 4680^2 .

It is a cyclic number.

It is not a de Polignac number, because 220515049 - 2⁹ = 220514537 is a prime.

It is a super-3 number, since 3×220515049³ (a number of 26 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (220515019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110257524 + 110257525.

It is an arithmetic number, because the mean of its divisors is an integer number (110257525).

Almost surely, 2^220515049 is an apocalyptic number.

It is an amenable number.

220515049 is a deficient number, since it is larger than the sum of its proper divisors (1).

220515049 is an equidigital number, since it uses as much as digits as its factorization.

220515049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 220515049 is about 14849.7491224599. The cubic root of 220515049 is about 604.1518055121.

It can be divided in two parts, 2205150 and 49, that multiplied together give a triangular number (108052350 = T₁₄₇₀₀).

The spelling of 220515049 in words is "two hundred twenty million, five hundred fifteen thousand, forty-nine".