2220421451505 has 16 divisors (see below), whose sum is σ = 3552695686464. Its totient is φ = 1184217652800.

The previous prime is 2220421451483. The next prime is 2220421451527. The reversal of 2220421451505 is 5051541240222.

It is an interprime number because it is at equal distance from previous prime (2220421451483) and next prime (2220421451527).

It is not a de Polignac number, because 2220421451505 - 2⁶ = 2220421451441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2985330 + ... + 3654180.

It is an arithmetic number, because the mean of its divisors is an integer number (222043480404).

Almost surely, 2^{2220421451505} is an apocalyptic number.

It is an amenable number.

2220421451505 is a deficient number, since it is larger than the sum of its proper divisors (1332274234959).

2220421451505 is a wasteful number, since it uses less digits than its factorization.

2220421451505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890176.

The product of its (nonzero) digits is 32000, while the sum is 33.

Adding to 2220421451505 its reverse (5051541240222), we get a palindrome (7271962691727).

The spelling of 2220421451505 in words is "two trillion, two hundred twenty billion, four hundred twenty-one million, four hundred fifty-one thousand, five hundred five".