83221267 has 12 divisors (see below), whose sum is σ = 88107328. Its totient is φ = 78523200.

The previous prime is 83221261. The next prime is 83221279. The reversal of 83221267 is 76212238.

It is not a de Polignac number, because 83221267 - 2¹¹ = 83219219 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83221261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51313 + ... + 52909.

Almost surely, 2^83221267 is an apocalyptic number.

83221267 is a deficient number, since it is larger than the sum of its proper divisors (4886061).

83221267 is a wasteful number, since it uses less digits than its factorization.

83221267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710 (or 1669 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 83221267 is about 9122.5691008619. The cubic root of 83221267 is about 436.5943466140.

The spelling of 83221267 in words is "eighty-three million, two hundred twenty-one thousand, two hundred sixty-seven".