22049291 has 8 divisors (see below), whose sum is σ = 25320000. Its totient is φ = 18989640.

The previous prime is 22049281. The next prime is 22049297. The reversal of 22049291 is 19294022.

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

It is a cyclic number.

It is not a de Polignac number, because 22049291 - 2¹⁸ = 21787147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22049297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52541 + ... + 52958.

It is an arithmetic number, because the mean of its divisors is an integer number (3165000).

Almost surely, 2^22049291 is an apocalyptic number.

22049291 is a deficient number, since it is larger than the sum of its proper divisors (3270709).

22049291 is a wasteful number, since it uses less digits than its factorization.

22049291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105529.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 22049291 is about 4695.6672582286. The cubic root of 22049291 is about 280.4130426106.

The spelling of 22049291 in words is "twenty-two million, forty-nine thousand, two hundred ninety-one".