85412422 has 4 divisors (see below), whose sum is σ = 128118636. Its totient is φ = 42706210.

The previous prime is 85412419. The next prime is 85412423. The reversal of 85412422 is 22421458.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85412423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21353104 + ... + 21353107.

It is an arithmetic number, because the mean of its divisors is an integer number (32029659).

Almost surely, 2^85412422 is an apocalyptic number.

85412422 is a deficient number, since it is larger than the sum of its proper divisors (42706214).

85412422 is a wasteful number, since it uses less digits than its factorization.

85412422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42706213.

The product of its digits is 5120, while the sum is 28.

The square root of 85412422 is about 9241.8841152657. The cubic root of 85412422 is about 440.3929375541.

The spelling of 85412422 in words is "eighty-five million, four hundred twelve thousand, four hundred twenty-two".