88224445 has 4 divisors (see below), whose sum is σ = 105869340. Its totient is φ = 70579552.

The previous prime is 88224443. The next prime is 88224449. The reversal of 88224445 is 54442288.

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 28579716 + 59644729 = 5346^2 + 7723^2 .

It is a cyclic number.

It is not a de Polignac number, because 88224445 - 2¹ = 88224443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88224443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8822440 + ... + 8822449.

It is an arithmetic number, because the mean of its divisors is an integer number (26467335).

Almost surely, 2^88224445 is an apocalyptic number.

It is an amenable number.

88224445 is a deficient number, since it is larger than the sum of its proper divisors (17644895).

88224445 is a wasteful number, since it uses less digits than its factorization.

88224445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17644894.

The product of its digits is 81920, while the sum is 37.

The square root of 88224445 is about 9392.7868601390. The cubic root of 88224445 is about 445.1738495075.

The spelling of 88224445 in words is "eighty-eight million, two hundred twenty-four thousand, four hundred forty-five".