22049806 has 4 divisors (see below), whose sum is σ = 33074712. Its totient is φ = 11024902.

The previous prime is 22049791. The next prime is 22049821. The reversal of 22049806 is 60894022.

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

It is an interprime number because it is at equal distance from previous prime (22049791) and next prime (22049821).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5512450 + ... + 5512453.

It is an arithmetic number, because the mean of its divisors is an integer number (8268678).

Almost surely, 2^22049806 is an apocalyptic number.

22049806 is a deficient number, since it is larger than the sum of its proper divisors (11024906).

22049806 is a wasteful number, since it uses less digits than its factorization.

22049806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11024905.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 22049806 is about 4695.7220956952. The cubic root of 22049806 is about 280.4152257736.

The spelling of 22049806 in words is "twenty-two million, forty-nine thousand, eight hundred six".