22822261 has 16 divisors (see below), whose sum is σ = 28804608. Its totient is φ = 17564400.

The previous prime is 22822259. The next prime is 22822297. The reversal of 22822261 is 16222822.

It is not a de Polignac number, because 22822261 - 2¹ = 22822259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22822361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4606 + ... + 8176.

It is an arithmetic number, because the mean of its divisors is an integer number (1800288).

Almost surely, 2^22822261 is an apocalyptic number.

It is an amenable number.

22822261 is a deficient number, since it is larger than the sum of its proper divisors (5982347).

22822261 is a wasteful number, since it uses less digits than its factorization.

22822261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3672.

The product of its digits is 1536, while the sum is 25.

The square root of 22822261 is about 4777.2650125359. The cubic root of 22822261 is about 283.6522432953.

The spelling of 22822261 in words is "twenty-two million, eight hundred twenty-two thousand, two hundred sixty-one".