2455221611 has 8 divisors (see below), whose sum is σ = 2538224304. Its totient is φ = 2373396480.

The previous prime is 2455221599. The next prime is 2455221619. The reversal of 2455221611 is 1161225542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2455221611 - 2¹⁴ = 2455205227 is a prime.

It is a super-2 number, since 2×2455221611² = 12056226318242870642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2455221619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290150 + ... + 298491.

It is an arithmetic number, because the mean of its divisors is an integer number (317278038).

Almost surely, 2^2455221611 is an apocalyptic number.

2455221611 is a deficient number, since it is larger than the sum of its proper divisors (83002693).

2455221611 is an equidigital number, since it uses as much as digits as its factorization.

2455221611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588781.

The product of its digits is 4800, while the sum is 29.

The square root of 2455221611 is about 49550.1928452352. The cubic root of 2455221611 is about 1349.0567917311.

The spelling of 2455221611 in words is "two billion, four hundred fifty-five million, two hundred twenty-one thousand, six hundred eleven".