6221155146 has 16 divisors (see below), whose sum is σ = 12463881024. Its totient is φ = 2070123264.

The previous prime is 6221155097. The next prime is 6221155183. The reversal of 6221155146 is 6415511226.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895030 + ... + 901953.

It is an arithmetic number, because the mean of its divisors is an integer number (778992564).

Almost surely, 2^6221155146 is an apocalyptic number.

6221155146 is an abundant number, since it is smaller than the sum of its proper divisors (6242725878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6221155146 is a wasteful number, since it uses less digits than its factorization.

6221155146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797565.

The product of its digits is 14400, while the sum is 33.

The square root of 6221155146 is about 78874.2996545770. The cubic root of 6221155146 is about 1839.1776360149.

The spelling of 6221155146 in words is "six billion, two hundred twenty-one million, one hundred fifty-five thousand, one hundred forty-six".