22073806 has 4 divisors (see below), whose sum is σ = 33110712. Its totient is φ = 11036902.

The previous prime is 22073797. The next prime is 22073809. The reversal of 22073806 is 60837022.

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

It is a super-2 number, since 2×22073806² = 974505822651272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22073809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5518450 + ... + 5518453.

It is an arithmetic number, because the mean of its divisors is an integer number (8277678).

Almost surely, 2^22073806 is an apocalyptic number.

22073806 is a deficient number, since it is larger than the sum of its proper divisors (11036906).

22073806 is a wasteful number, since it uses less digits than its factorization.

22073806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11036905.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 22073806 is about 4698.2769181903. The cubic root of 22073806 is about 280.5169277291.

The spelling of 22073806 in words is "twenty-two million, seventy-three thousand, eight hundred six".