85454572222 has 4 divisors (see below), whose sum is σ = 128181858336. Its totient is φ = 42727286110.

The previous prime is 85454572199. The next prime is 85454572243. The reversal of 85454572222 is 22227545458.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21363643054 + ... + 21363643057.

It is an arithmetic number, because the mean of its divisors is an integer number (32045464584).

Almost surely, 2^85454572222 is an apocalyptic number.

85454572222 is a deficient number, since it is larger than the sum of its proper divisors (42727286114).

85454572222 is a wasteful number, since it uses less digits than its factorization.

85454572222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42727286113.

The product of its digits is 1792000, while the sum is 46.

The spelling of 85454572222 in words is "eighty-five billion, four hundred fifty-four million, five hundred seventy-two thousand, two hundred twenty-two".