82222623 has 12 divisors (see below), whose sum is σ = 135732688. Its totient is φ = 46984320.

The previous prime is 82222619. The next prime is 82222639. The reversal of 82222623 is 32622228.

It is a happy number.

It is not a de Polignac number, because 82222623 - 2² = 82222619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82212623) 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, 652498 + ... + 652623.

Almost surely, 2^82222623 is an apocalyptic number.

82222623 is a deficient number, since it is larger than the sum of its proper divisors (53510065).

82222623 is a wasteful number, since it uses less digits than its factorization.

82222623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305134 (or 1305131 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 82222623 is about 9067.6691051229. The cubic root of 82222623 is about 434.8409565231.

The spelling of 82222623 in words is "eighty-two million, two hundred twenty-two thousand, six hundred twenty-three".