22085146 has 4 divisors (see below), whose sum is σ = 33127722. Its totient is φ = 11042572.

The previous prime is 22085123. The next prime is 22085149. The reversal of 22085146 is 64158022.

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

It can be written as a sum of positive squares in only one way, i.e., 11594025 + 10491121 = 3405^2 + 3239^2 .

It is a super-3 number, since 3×22085146³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22085149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521285 + ... + 5521288.

Almost surely, 2^22085146 is an apocalyptic number.

22085146 is a deficient number, since it is larger than the sum of its proper divisors (11042576).

22085146 is a wasteful number, since it uses less digits than its factorization.

22085146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11042575.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 22085146 is about 4699.4835886510. The cubic root of 22085146 is about 280.5649562593.

The spelling of 22085146 in words is "twenty-two million, eighty-five thousand, one hundred forty-six".