2220518415 has 16 divisors (see below), whose sum is σ = 3553675776. Its totient is φ = 1183994400.

The previous prime is 2220518389. The next prime is 2220518473. The reversal of 2220518415 is 5148150222.

It is not a de Polignac number, because 2220518415 - 2⁶ = 2220518351 is a prime.

It is a super-2 number, since 2×2220518415² = 9861404062708224450, which contains 22 as substring.

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, 57870 + ... + 88260.

It is an arithmetic number, because the mean of its divisors is an integer number (222104736).

Almost surely, 2^2220518415 is an apocalyptic number.

2220518415 is a deficient number, since it is larger than the sum of its proper divisors (1333157361).

2220518415 is a wasteful number, since it uses less digits than its factorization.

2220518415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35270.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 2220518415 is about 47122.3770092299. The cubic root of 2220518415 is about 1304.6222861300.

Adding to 2220518415 its reverse (5148150222), we get a palindrome (7368668637).

The spelling of 2220518415 in words is "two billion, two hundred twenty million, five hundred eighteen thousand, four hundred fifteen".