2221466775 has 48 divisors (see below), whose sum is σ = 4018016640. Its totient is φ = 1074038400.

The previous prime is 2221466759. The next prime is 2221466827. The reversal of 2221466775 is 5776641222.

It is not a de Polignac number, because 2221466775 - 2⁴ = 2221466759 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304116 + ... + 311334.

It is an arithmetic number, because the mean of its divisors is an integer number (83708680).

Almost surely, 2^2221466775 is an apocalyptic number.

2221466775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2221466775 is a deficient number, since it is larger than the sum of its proper divisors (1796549865).

2221466775 is a wasteful number, since it uses less digits than its factorization.

2221466775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7616 (or 7611 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 2221466775 is about 47132.4386701983. The cubic root of 2221466775 is about 1304.8079898356.

It can be divided in two parts, 2221 and 466775, that added together give a triangular number (468996 = T₉₆₈).

The spelling of 2221466775 in words is "two billion, two hundred twenty-one million, four hundred sixty-six thousand, seven hundred seventy-five".