82223445690 has 48 divisors (see below), whose sum is σ = 216487065600. Its totient is φ = 21648702816.

The previous prime is 82223445677. The next prime is 82223445691. The reversal of 82223445690 is 9654432228.

82223445690 is a `hidden beast` number, since 8 + 22 + 23 + 44 + 569 + 0 = 666.

It is a super-2 number, since 2×82223445690² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (82223445691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5775130 + ... + 5789349.

It is an arithmetic number, because the mean of its divisors is an integer number (4510147200).

Almost surely, 2^82223445690 is an apocalyptic number.

82223445690 is an abundant number, since it is smaller than the sum of its proper divisors (134263619910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82223445690 is a wasteful number, since it uses less digits than its factorization.

82223445690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11564571 (or 11564568 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The spelling of 82223445690 in words is "eighty-two billion, two hundred twenty-three million, four hundred forty-five thousand, six hundred ninety".