22049665 has 8 divisors (see below), whose sum is σ = 28865088. Its totient is φ = 16036080.

The previous prime is 22049641. The next prime is 22049681. The reversal of 22049665 is 56694022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22049665 - 2¹¹ = 22047617 is a prime.

It is a super-2 number, since 2×22049665² = 972375453224450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22049665.

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, 200397 + ... + 200506.

It is an arithmetic number, because the mean of its divisors is an integer number (3608136).

Almost surely, 2^22049665 is an apocalyptic number.

It is an amenable number.

22049665 is a deficient number, since it is larger than the sum of its proper divisors (6815423).

22049665 is a wasteful number, since it uses less digits than its factorization.

22049665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400919.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 22049665 is about 4695.7070820059. The cubic root of 22049665 is about 280.4146280566.

The spelling of 22049665 in words is "twenty-two million, forty-nine thousand, six hundred sixty-five".