2401220505 has 32 divisors (see below), whose sum is σ = 4071976704. Its totient is φ = 1204125696.

The previous prime is 2401220489. The next prime is 2401220543. The reversal of 2401220505 is 5050221042.

It is a happy number.

It is not a de Polignac number, because 2401220505 - 2⁴ = 2401220489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289932 + ... + 298098.

It is an arithmetic number, because the mean of its divisors is an integer number (127249272).

Almost surely, 2^2401220505 is an apocalyptic number.

It is an amenable number.

2401220505 is a deficient number, since it is larger than the sum of its proper divisors (1670756199).

2401220505 is a wasteful number, since it uses less digits than its factorization.

2401220505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9345.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2401220505 is about 49002.2499993623. The cubic root of 2401220505 is about 1339.0928189978.

Adding to 2401220505 its reverse (5050221042), we get a palindrome (7451441547).

The spelling of 2401220505 in words is "two billion, four hundred one million, two hundred twenty thousand, five hundred five".