85223502 has 192 divisors, whose sum is σ = 246564864. Its totient is φ = 21461760.

The previous prime is 85223471. The next prime is 85223519. The reversal of 85223502 is 20532258.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1813243 + ... + 1813289.

It is an arithmetic number, because the mean of its divisors is an integer number (1284192).

Almost surely, 2^85223502 is an apocalyptic number.

85223502 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 85223502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123282432).

85223502 is an abundant number, since it is smaller than the sum of its proper divisors (161341362).

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

85223502 is a wasteful number, since it uses less digits than its factorization.

85223502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 85223502 is about 9231.6575976365. The cubic root of 85223502 is about 440.0680025750.

The spelling of 85223502 in words is "eighty-five million, two hundred twenty-three thousand, five hundred two".