2221267475 has 12 divisors (see below), whose sum is σ = 3147853584. Its totient is φ = 1523154720.

The previous prime is 2221267439. The next prime is 2221267487. The reversal of 2221267475 is 5747621222.

It is a happy number.

It is not a de Polignac number, because 2221267475 - 2¹⁰ = 2221266451 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6346304 + ... + 6346653.

It is an arithmetic number, because the mean of its divisors is an integer number (262321132).

Almost surely, 2^2221267475 is an apocalyptic number.

2221267475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2221267475 is a deficient number, since it is larger than the sum of its proper divisors (926586109).

2221267475 is a wasteful number, since it uses less digits than its factorization.

2221267475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12692974 (or 12692969 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 2221267475 is about 47130.3243676510. The cubic root of 2221267475 is about 1304.7689681687.

Adding to 2221267475 its reverse (5747621222), we get a palindrome (7968888697).

The spelling of 2221267475 in words is "two billion, two hundred twenty-one million, two hundred sixty-seven thousand, four hundred seventy-five".