84622669 has 4 divisors (see below), whose sum is σ = 84928444. Its totient is φ = 84316896.

The previous prime is 84622661. The next prime is 84622673. The reversal of 84622669 is 96622648.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50552100 + 34070569 = 7110^2 + 5837^2 .

It is a cyclic number.

It is not a de Polignac number, because 84622669 - 2³ = 84622661 is a prime.

It is a super-2 number, since 2×84622669² = 14321992217367122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84622661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152472 + ... + 153025.

It is an arithmetic number, because the mean of its divisors is an integer number (21232111).

Almost surely, 2^84622669 is an apocalyptic number.

It is an amenable number.

84622669 is a deficient number, since it is larger than the sum of its proper divisors (305775).

84622669 is a wasteful number, since it uses less digits than its factorization.

84622669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305774.

The product of its digits is 248832, while the sum is 43.

The square root of 84622669 is about 9199.0580496049. The cubic root of 84622669 is about 439.0313902866.

The spelling of 84622669 in words is "eighty-four million, six hundred twenty-two thousand, six hundred sixty-nine".