85409522 has 16 divisors (see below), whose sum is σ = 147117600. Its totient is φ = 36779040.

The previous prime is 85409501. The next prime is 85409531. The reversal of 85409522 is 22590458.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101747 + ... + 102582.

It is an arithmetic number, because the mean of its divisors is an integer number (9194850).

Almost surely, 2^85409522 is an apocalyptic number.

85409522 is a deficient number, since it is larger than the sum of its proper divisors (61708078).

85409522 is a wasteful number, since it uses less digits than its factorization.

85409522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204361.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 85409522 is about 9241.7272195191. The cubic root of 85409522 is about 440.3879532909.

The spelling of 85409522 in words is "eighty-five million, four hundred nine thousand, five hundred twenty-two".